diff --git a/appveyor.yml b/appveyor.yml
index 0218318..e34a142 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,13 +1,13 @@
 # Test against this version of Node.js
 environment:
-  nodejs_version: "4.1.2"
+  nodejs_version: "12.13.1"
 
 # Install scripts. (runs after repo cloning)
 install:
   # Get the latest stable version of Node.js or io.js
   - ps: Install-Product node $env:nodejs_version
   # Upgrade npm
-  - npm install -g npm@3
+  - npm install -g npm@6
   # install modules
   - npm install
   - npm install grunt-cli -g
diff --git a/lib/native/adv_api.js b/lib/native/adv_api.js
index af76b82..fe718e5 100644
--- a/lib/native/adv_api.js
+++ b/lib/native/adv_api.js
@@ -1,7 +1,7 @@
 // Minimal wrappers for Advapi32.dll to support basic registry manipulations
 
 'use strict';
-var ffi = require('ffi'),
+var ffi = require('ffi-napi'),
     types = require('../types');
 
 // Javascript bindings for native Win32 registry APIs
diff --git a/lib/native/shell32.js b/lib/native/shell32.js
index 5e8f9d6..9eda1b5 100644
--- a/lib/native/shell32.js
+++ b/lib/native/shell32.js
@@ -1,7 +1,7 @@
 // Minimnal wrappers for shell32.js
 var windef = require('../windef'),
-    ffi = require('ffi'),
-    ref = require('ref');
+    ffi = require('ffi-napi'),
+    ref = require('ref-napi');
 
 var SHELLEXECUTEINFOPtr = ref.refType(windef.SHELLEXECUTEINFO);
 var shell32 = new ffi.Library('Shell32', {
diff --git a/lib/registry.js b/lib/registry.js
index 1cc4194..36ed411 100644
--- a/lib/registry.js
+++ b/lib/registry.js
@@ -1,10 +1,10 @@
 /* global Buffer */
 'use strict';
-var ffi = require('ffi'),
+var ffi = require('ffi-napi'),
     types = require('./types'),
     advApi = require('./native/adv_api'),
     Key = require('./key'),
-    ref = require('ref'),
+    ref = require('ref-napi'),
     error = require('./error'),
     windef = require('./windef'),
     debug = require('debug')('windows-registry');
diff --git a/lib/types.js b/lib/types.js
index 8c1914f..e9552e3 100644
--- a/lib/types.js
+++ b/lib/types.js
@@ -1,4 +1,4 @@
-var ref = require('ref');
+var ref = require('ref-napi');
 
 var types = {
     REGSAM: ref.types.ulong,
diff --git a/lib/utils.js b/lib/utils.js
index 0ace701..730fc23 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -1,5 +1,5 @@
 'use strict';
-var ref = require('ref'),
+var ref = require('ref-napi'),
     types = require('./types'),
     shell32 = require('./native/shell32'),
     windef = require('./windef'),
diff --git a/lib/windef.js b/lib/windef.js
index 35b907c..f882386 100644
--- a/lib/windef.js
+++ b/lib/windef.js
@@ -1,6 +1,7 @@
+var ref = require('ref-napi');
 var types = require('./types'),
-    struct = require('ref-struct'),
-    uniontype = require('ref-union');
+    struct = require('ref-struct-napi'),
+    uniontype = require('ref-union-di')(ref);
 
 // yes, this is the name in the official MSDN doc
 var DUMMYUNIONNAME = uniontype({
diff --git a/package-lock.json b/package-lock.json
index a825f72..fd5fec4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,8 +1,15 @@
 {
   "name": "windows-registry",
-  "version": "0.1.3",
+  "version": "0.2.0",
   "lockfileVersion": 1,
+  "requires": true,
   "dependencies": {
+    "JSV": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/JSV/-/JSV-4.0.2.tgz",
+      "integrity": "sha1-0Hf2glVx+CEy+d/67Vh7QCn+/1c=",
+      "dev": true
+    },
     "abbrev": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.0.tgz",
@@ -19,13 +26,21 @@
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "kind-of": "^3.0.2",
+        "longest": "^1.0.1",
+        "repeat-string": "^1.5.2"
+      }
     },
     "alter": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/alter/-/alter-0.2.0.tgz",
       "integrity": "sha1-x1iICGF1cgNKrmJICvJrHU0cs80=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "stable": "~0.1.3"
+      }
     },
     "amdefine": {
       "version": "1.0.1",
@@ -50,6 +65,10 @@
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-0.1.16.tgz",
       "integrity": "sha1-z9AeD7uj1srtBJ+9dY1A9lGW9Xw=",
       "dev": true,
+      "requires": {
+        "underscore": "~1.7.0",
+        "underscore.string": "~2.4.0"
+      },
       "dependencies": {
         "underscore.string": {
           "version": "2.4.0",
@@ -69,7 +88,10 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/array-union/-/array-union-1.0.2.tgz",
       "integrity": "sha1-mjRBDk9OPaI96jdb5b5w8kd47Dk=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "array-uniq": "^1.0.1"
+      }
     },
     "array-uniq": {
       "version": "1.0.3",
@@ -106,6 +128,54 @@
       "resolved": "https://registry.npmjs.org/babel-core/-/babel-core-5.8.38.tgz",
       "integrity": "sha1-H8ruedfmG3ULALjlT238nQr4ZVg=",
       "dev": true,
+      "requires": {
+        "babel-plugin-constant-folding": "^1.0.1",
+        "babel-plugin-dead-code-elimination": "^1.0.2",
+        "babel-plugin-eval": "^1.0.1",
+        "babel-plugin-inline-environment-variables": "^1.0.1",
+        "babel-plugin-jscript": "^1.0.4",
+        "babel-plugin-member-expression-literals": "^1.0.1",
+        "babel-plugin-property-literals": "^1.0.1",
+        "babel-plugin-proto-to-assign": "^1.0.3",
+        "babel-plugin-react-constant-elements": "^1.0.3",
+        "babel-plugin-react-display-name": "^1.0.3",
+        "babel-plugin-remove-console": "^1.0.1",
+        "babel-plugin-remove-debugger": "^1.0.1",
+        "babel-plugin-runtime": "^1.0.7",
+        "babel-plugin-undeclared-variables-check": "^1.0.2",
+        "babel-plugin-undefined-to-void": "^1.1.6",
+        "babylon": "^5.8.38",
+        "bluebird": "^2.9.33",
+        "chalk": "^1.0.0",
+        "convert-source-map": "^1.1.0",
+        "core-js": "^1.0.0",
+        "debug": "^2.1.1",
+        "detect-indent": "^3.0.0",
+        "esutils": "^2.0.0",
+        "fs-readdir-recursive": "^0.1.0",
+        "globals": "^6.4.0",
+        "home-or-tmp": "^1.0.0",
+        "is-integer": "^1.0.4",
+        "js-tokens": "1.0.1",
+        "json5": "^0.4.0",
+        "lodash": "^3.10.0",
+        "minimatch": "^2.0.3",
+        "output-file-sync": "^1.1.0",
+        "path-exists": "^1.0.0",
+        "path-is-absolute": "^1.0.0",
+        "private": "^0.1.6",
+        "regenerator": "0.8.40",
+        "regexpu": "^1.3.0",
+        "repeating": "^1.1.2",
+        "resolve": "^1.1.6",
+        "shebang-regex": "^1.0.0",
+        "slash": "^1.0.0",
+        "source-map": "^0.5.0",
+        "source-map-support": "^0.2.10",
+        "to-fast-properties": "^1.0.0",
+        "trim-right": "^1.0.0",
+        "try-resolve": "^1.0.0"
+      },
       "dependencies": {
         "bluebird": {
           "version": "2.11.0",
@@ -123,7 +193,10 @@
           "version": "2.0.10",
           "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-2.0.10.tgz",
           "integrity": "sha1-jQh8OcazjAAbl/ynzm0OHoCvusc=",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "brace-expansion": "^1.0.0"
+          }
         }
       }
     },
@@ -131,7 +204,11 @@
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/babel-jscs/-/babel-jscs-2.0.5.tgz",
       "integrity": "sha1-CjRwRrSBRay8pW6MjtX3NrxU+dA=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "babel-core": "~5.8.3",
+        "lodash.assign": "^3.2.0"
+      }
     },
     "babel-plugin-constant-folding": {
       "version": "1.0.1",
@@ -180,6 +257,9 @@
       "resolved": "https://registry.npmjs.org/babel-plugin-proto-to-assign/-/babel-plugin-proto-to-assign-1.0.4.tgz",
       "integrity": "sha1-xJ56/QL1d7xNoF6i3wAiUM980SM=",
       "dev": true,
+      "requires": {
+        "lodash": "^3.9.3"
+      },
       "dependencies": {
         "lodash": {
           "version": "3.10.1",
@@ -223,7 +303,10 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/babel-plugin-undeclared-variables-check/-/babel-plugin-undeclared-variables-check-1.0.2.tgz",
       "integrity": "sha1-XPGqU52BP/ZOmWQSkK9iCWX2Xe4=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "leven": "^1.0.2"
+      }
     },
     "babel-plugin-undefined-to-void": {
       "version": "1.1.6",
@@ -243,11 +326,6 @@
       "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
       "dev": true
     },
-    "bindings": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.2.1.tgz",
-      "integrity": "sha1-FK1hE4EtLTfXLme0ystLtyZQXxE="
-    },
     "bluebird": {
       "version": "3.5.0",
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.0.tgz",
@@ -258,7 +336,11 @@
       "version": "1.1.8",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.8.tgz",
       "integrity": "sha1-wHshHHyVLsH479Uad+8NHTmQopI=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "balanced-match": "^1.0.0",
+        "concat-map": "0.0.1"
+      }
     },
     "breakable": {
       "version": "1.0.0",
@@ -276,31 +358,54 @@
       "version": "0.1.3",
       "resolved": "https://registry.npmjs.org/center-align/-/center-align-0.1.3.tgz",
       "integrity": "sha1-qg0yYptu6XIgBBHL1EYckHvCt60=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "align-text": "^0.1.3",
+        "lazy-cache": "^1.0.3"
+      }
     },
     "chalk": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
       "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "ansi-styles": "^2.2.1",
+        "escape-string-regexp": "^1.0.2",
+        "has-ansi": "^2.0.0",
+        "strip-ansi": "^3.0.0",
+        "supports-color": "^2.0.0"
+      }
     },
     "cli": {
       "version": "0.6.6",
       "resolved": "https://registry.npmjs.org/cli/-/cli-0.6.6.tgz",
       "integrity": "sha1-Aq1Eo4Cr8nraxebwzdewQ9dMU+M=",
       "dev": true,
+      "requires": {
+        "exit": "0.1.2",
+        "glob": "~ 3.2.1"
+      },
       "dependencies": {
         "glob": {
           "version": "3.2.11",
           "resolved": "https://registry.npmjs.org/glob/-/glob-3.2.11.tgz",
           "integrity": "sha1-Spc/Y1uRkPcV0QmH1cAP0oFevj0=",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "inherits": "2",
+            "minimatch": "0.3"
+          }
         },
         "minimatch": {
           "version": "0.3.0",
           "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-0.3.0.tgz",
           "integrity": "sha1-J12O2qxPG7MyZHIInnlJyDlGmd0=",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "lru-cache": "2",
+            "sigmund": "~1.0.0"
+          }
         }
       }
     },
@@ -309,6 +414,9 @@
       "resolved": "https://registry.npmjs.org/cli-table/-/cli-table-0.3.1.tgz",
       "integrity": "sha1-9TsFJmqLGguTSz0IIebi3FkUriM=",
       "dev": true,
+      "requires": {
+        "colors": "1.0.3"
+      },
       "dependencies": {
         "colors": {
           "version": "1.0.3",
@@ -322,7 +430,12 @@
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/cliui/-/cliui-2.1.0.tgz",
       "integrity": "sha1-S0dXYP+AJkx2LDoXGQMukcf+oNE=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "center-align": "^0.1.1",
+        "right-align": "^0.1.1",
+        "wordwrap": "0.0.2"
+      }
     },
     "coffee-script": {
       "version": "1.3.3",
@@ -347,6 +460,9 @@
       "resolved": "https://registry.npmjs.org/comment-parser/-/comment-parser-0.3.2.tgz",
       "integrity": "sha1-PAPwd2uGo239mgosl8YwfzMggv4=",
       "dev": true,
+      "requires": {
+        "readable-stream": "^2.0.4"
+      },
       "dependencies": {
         "isarray": {
           "version": "1.0.0",
@@ -358,13 +474,25 @@
           "version": "2.3.3",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.3.tgz",
           "integrity": "sha512-m+qzzcn7KUxEmd1gMbchF+Y2eIUbieUaxkWtptyHywrX0rE8QEYqPC07Vuy4Wm32/xE16NcdBctb8S0Xe/5IeQ==",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.3",
+            "isarray": "~1.0.0",
+            "process-nextick-args": "~1.0.6",
+            "safe-buffer": "~5.1.1",
+            "string_decoder": "~1.0.3",
+            "util-deprecate": "~1.0.1"
+          }
         },
         "string_decoder": {
           "version": "1.0.3",
           "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
           "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "safe-buffer": "~5.1.0"
+          }
         }
       }
     },
@@ -373,6 +501,17 @@
       "resolved": "https://registry.npmjs.org/commoner/-/commoner-0.10.8.tgz",
       "integrity": "sha1-NPw2cs0kOT6LtH5wyqApOBH08sU=",
       "dev": true,
+      "requires": {
+        "commander": "^2.5.0",
+        "detective": "^4.3.1",
+        "glob": "^5.0.15",
+        "graceful-fs": "^4.1.2",
+        "iconv-lite": "^0.4.5",
+        "mkdirp": "^0.5.0",
+        "private": "^0.1.6",
+        "q": "^1.1.2",
+        "recast": "^0.11.17"
+      },
       "dependencies": {
         "esprima": {
           "version": "3.1.3",
@@ -384,7 +523,14 @@
           "version": "5.0.15",
           "resolved": "https://registry.npmjs.org/glob/-/glob-5.0.15.tgz",
           "integrity": "sha1-G8k2ueAvSmA/zCIuz3Yz0wuLk7E=",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "2 || 3",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
+          }
         },
         "graceful-fs": {
           "version": "4.1.11",
@@ -402,13 +548,22 @@
           "version": "3.0.4",
           "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
           "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "brace-expansion": "^1.1.7"
+          }
         },
         "recast": {
           "version": "0.11.23",
           "resolved": "https://registry.npmjs.org/recast/-/recast-0.11.23.tgz",
           "integrity": "sha1-RR/TAEqx5N+bTktmN2sqIZEkYtM=",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "ast-types": "0.9.6",
+            "esprima": "~3.1.0",
+            "private": "~0.1.5",
+            "source-map": "~0.5.0"
+          }
         }
       }
     },
@@ -422,13 +577,20 @@
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/config-chain/-/config-chain-1.1.11.tgz",
       "integrity": "sha1-q6CXR9++TD5w52am5BWG4YWfxvI=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "ini": "^1.3.4",
+        "proto-list": "~1.2.1"
+      }
     },
     "console-browserify": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/console-browserify/-/console-browserify-1.1.0.tgz",
       "integrity": "sha1-8CQcRXMKn8YyOyBtvzjtx0HQuxA=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "date-now": "^0.1.4"
+      }
     },
     "convert-source-map": {
       "version": "1.5.0",
@@ -458,7 +620,10 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/d/-/d-1.0.0.tgz",
       "integrity": "sha1-dUu1v+VUUdpppYuU1F9MWwRi1Y8=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "es5-ext": "^0.10.9"
+      }
     },
     "date-now": {
       "version": "0.1.4",
@@ -475,7 +640,10 @@
     "debug": {
       "version": "2.6.8",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.8.tgz",
-      "integrity": "sha1-5zFTHKLt4n0YgiJCfaF4IdaP9Pw="
+      "integrity": "sha1-5zFTHKLt4n0YgiJCfaF4IdaP9Pw=",
+      "requires": {
+        "ms": "2.0.0"
+      }
     },
     "decamelize": {
       "version": "1.2.0",
@@ -506,6 +674,18 @@
       "resolved": "https://registry.npmjs.org/defs/-/defs-1.1.1.tgz",
       "integrity": "sha1-siYJ8sehG6ej2xFoBcE5scr/qdI=",
       "dev": true,
+      "requires": {
+        "alter": "~0.2.0",
+        "ast-traverse": "~0.1.1",
+        "breakable": "~1.0.0",
+        "esprima-fb": "~15001.1001.0-dev-harmony-fb",
+        "simple-fmt": "~0.1.0",
+        "simple-is": "~0.2.0",
+        "stringmap": "~0.2.2",
+        "stringset": "~0.2.1",
+        "tryor": "~0.1.2",
+        "yargs": "~3.27.0"
+      },
       "dependencies": {
         "esprima-fb": {
           "version": "15001.1001.0-dev-harmony-fb",
@@ -520,6 +700,11 @@
       "resolved": "https://registry.npmjs.org/detect-indent/-/detect-indent-3.0.1.tgz",
       "integrity": "sha1-ncXl3bzu+DJXZLlFGwK8bVQIT3U=",
       "dev": true,
+      "requires": {
+        "get-stdin": "^4.0.1",
+        "minimist": "^1.1.0",
+        "repeating": "^1.1.0"
+      },
       "dependencies": {
         "minimist": {
           "version": "1.2.0",
@@ -533,7 +718,11 @@
       "version": "4.5.0",
       "resolved": "https://registry.npmjs.org/detective/-/detective-4.5.0.tgz",
       "integrity": "sha1-blqMaybmx6JUsca210kNmOyR7dE=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "acorn": "^4.0.3",
+        "defined": "^1.0.0"
+      }
     },
     "diff": {
       "version": "1.4.0",
@@ -546,6 +735,10 @@
       "resolved": "https://registry.npmjs.org/dom-serializer/-/dom-serializer-0.1.0.tgz",
       "integrity": "sha1-BzxpdUbOB4DOI75KKOKT5AvDDII=",
       "dev": true,
+      "requires": {
+        "domelementtype": "~1.1.1",
+        "entities": "~1.1.1"
+      },
       "dependencies": {
         "domelementtype": {
           "version": "1.1.3",
@@ -571,25 +764,41 @@
       "version": "2.3.0",
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       "integrity": "sha1-V3VPZPVD/XsIRXB8gY7OYY8F/9w=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "pkginfo": "0.x.x",
+        "read": "1.0.x",
+        "revalidator": "0.1.x",
+        "utile": "0.2.x",
+        "winston": "0.8.x"
+      }
     },
     "proto-list": {
       "version": "1.2.4",
@@ -1653,6 +2291,12 @@
       "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.1.tgz",
       "integrity": "sha1-LgPo5C7kULjLPc5lvhv4l04d/ZU=",
       "dev": true,
+      "requires": {
+        "deep-extend": "~0.4.0",
+        "ini": "~1.3.0",
+        "minimist": "^1.2.0",
+        "strip-json-comments": "~2.0.1"
+      },
       "dependencies": {
         "minimist": {
           "version": "1.2.0",
@@ -1672,19 +2316,34 @@
       "version": "1.0.7",
       "resolved": "https://registry.npmjs.org/read/-/read-1.0.7.tgz",
       "integrity": "sha1-s9oZvQUkMal2cdRKQmNK33ELQMQ=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "mute-stream": "~0.0.4"
+      }
     },
     "readable-stream": {
       "version": "1.1.14",
       "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
       "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "core-util-is": "~1.0.0",
+        "inherits": "~2.0.1",
+        "isarray": "0.0.1",
+        "string_decoder": "~0.10.x"
+      }
     },
     "recast": {
       "version": "0.10.33",
       "resolved": "https://registry.npmjs.org/recast/-/recast-0.10.33.tgz",
       "integrity": "sha1-lCgI96oBbx+nFCxGHX5XBKqo1pc=",
       "dev": true,
+      "requires": {
+        "ast-types": "0.8.12",
+        "esprima-fb": "~15001.1001.0-dev-harmony-fb",
+        "private": "~0.1.5",
+        "source-map": "~0.5.0"
+      },
       "dependencies": {
         "ast-types": {
           "version": "0.8.12",
@@ -1700,20 +2359,98 @@
         }
       }
     },
-    "ref": {
-      "version": "1.3.4",
-      "resolved": "https://registry.npmjs.org/ref/-/ref-1.3.4.tgz",
-      "integrity": "sha1-ck0r+KyF+MjbGU09hb5u/kFrweU="
+    "ref-napi": {
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/ref-napi/-/ref-napi-1.4.2.tgz",
+      "integrity": "sha512-6AkdfqTLmP9oHQ6/aTnuIoPlVble6LHZ2wWqC1Sh/LWhnXHoT2L3CvyF72rJQ9w76XR5v9rIX6UQUwsry1vfBg==",
+      "requires": {
+        "bindings": "^1.3.0",
+        "debug": "^3.1.0",
+        "node-addon-api": "^1.6.2"
+      },
+      "dependencies": {
+        "bindings": {
+          "version": "1.5.0",
+          "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
+          "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
+          "requires": {
+            "file-uri-to-path": "1.0.0"
+          }
+        },
+        "debug": {
+          "version": "3.2.6",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
+          "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        },
+        "node-addon-api": {
+          "version": "1.7.1",
+          "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-1.7.1.tgz",
+          "integrity": "sha512-2+DuKodWvwRTrCfKOeR24KIc5unKjOh8mz17NCzVnHWfjAdDqbfbjqh7gUT+BkXBRQM52+xCHciKWonJ3CbJMQ=="
+        }
+      }
     },
-    "ref-struct": {
+    "ref-struct-di": {
       "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/ref-struct/-/ref-struct-1.1.0.tgz",
-      "integrity": "sha1-XV7mWtQc78Olxf60BYcmHkee3BM="
+      "resolved": "https://registry.npmjs.org/ref-struct-di/-/ref-struct-di-1.1.0.tgz",
+      "integrity": "sha512-gghZITj/iQwdwFDduZ6T8kL2B2ogInlOz7AOB0ggFoEc7akAKMcDrbzh3OIPk13Kxy8U2bHPvN6nejcBh4jN7A==",
+      "requires": {
+        "debug": "^3.1.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.2.6",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
+          "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        }
+      }
+    },
+    "ref-struct-napi": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/ref-struct-napi/-/ref-struct-napi-1.1.0.tgz",
+      "integrity": "sha512-9GwNq6PwVKhe8ZX4E51+3knUMJfyQumT9RCsXHBRDPfSYbOfK34TbQlEyvfuPOsb0xOlqzkR3CkTmD8gIdmtgQ==",
+      "requires": {
+        "debug": "2",
+        "ref-napi": "^1.4.2"
+      }
     },
-    "ref-union": {
+    "ref-union-di": {
       "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/ref-union/-/ref-union-1.0.1.tgz",
-      "integrity": "sha1-OiOX+GLx51Fx1ocmj0Oz8Xcp8SA="
+      "resolved": "https://registry.npmjs.org/ref-union-di/-/ref-union-di-1.0.1.tgz",
+      "integrity": "sha512-JWSF2BwNVtCgmEfoDGMh8S1KO07oq+T8L7cBHwcsmQmeXDZd9JNlrxU+ebSHs+jsf0qrqFFWXMCmj94Tcl26TA==",
+      "requires": {
+        "debug": "^3.1.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.2.6",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
+          "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        }
+      }
     },
     "regenerate": {
       "version": "1.3.2",
@@ -1726,6 +2463,14 @@
       "resolved": "https://registry.npmjs.org/regenerator/-/regenerator-0.8.40.tgz",
       "integrity": "sha1-oORXxY69uuV1yfjNdRJ+k3VkNdg=",
       "dev": true,
+      "requires": {
+        "commoner": "~0.10.3",
+        "defs": "~1.1.0",
+        "esprima-fb": "~15001.1001.0-dev-harmony-fb",
+        "private": "~0.1.5",
+        "recast": "0.10.33",
+        "through": "~2.3.8"
+      },
       "dependencies": {
         "esprima-fb": {
           "version": "15001.1001.0-dev-harmony-fb",
@@ -1740,6 +2485,13 @@
       "resolved": "https://registry.npmjs.org/regexpu/-/regexpu-1.3.0.tgz",
       "integrity": "sha1-5TTcmRqeWEYFDJjebX3UpVyeoW0=",
       "dev": true,
+      "requires": {
+        "esprima": "^2.6.0",
+        "recast": "^0.10.10",
+        "regenerate": "^1.2.1",
+        "regjsgen": "^0.2.0",
+        "regjsparser": "^0.1.4"
+      },
       "dependencies": {
         "esprima": {
           "version": "2.7.3",
@@ -1759,7 +2511,10 @@
       "version": "0.1.5",
       "resolved": "https://registry.npmjs.org/regjsparser/-/regjsparser-0.1.5.tgz",
       "integrity": "sha1-fuj4Tcb6eS0/0K4ijSS9lJ6tIFw=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "jsesc": "~0.5.0"
+      }
     },
     "repeat-string": {
       "version": "1.6.1",
@@ -1771,7 +2526,10 @@
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/repeating/-/repeating-1.1.3.tgz",
       "integrity": "sha1-PUEUIYh3U3SU+X93+Xhfq4EPpKw=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "is-finite": "^1.0.0"
+      }
     },
     "reserved-words": {
       "version": "0.1.1",
@@ -1783,7 +2541,10 @@
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.4.0.tgz",
       "integrity": "sha512-aW7sVKPufyHqOmyyLzg/J+8606v5nevBgaliIlV7nUpVMsDnoBGV/cbSLNjZAg9q0Cfd/+easKVKQ8vOu8fn1Q==",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "path-parse": "^1.0.5"
+      }
     },
     "resolve-from": {
       "version": "2.0.0",
@@ -1795,7 +2556,10 @@
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/resolve-pkg/-/resolve-pkg-0.1.0.tgz",
       "integrity": "sha1-AsyZNBDik2livZcWahsHfalyVTE=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "resolve-from": "^2.0.0"
+      }
     },
     "revalidator": {
       "version": "0.1.8",
@@ -1807,7 +2571,10 @@
       "version": "0.1.3",
       "resolved": "https://registry.npmjs.org/right-align/-/right-align-0.1.3.tgz",
       "integrity": "sha1-YTObci/mo1FWiSENJOFMlhSGE+8=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "align-text": "^0.1.1"
+      }
     },
     "rimraf": {
       "version": "2.2.8",
@@ -1874,12 +2641,18 @@
       "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.2.10.tgz",
       "integrity": "sha1-6lo5AKHByyUJagrozFwrSxDe09w=",
       "dev": true,
+      "requires": {
+        "source-map": "0.1.32"
+      },
       "dependencies": {
         "source-map": {
           "version": "0.1.32",
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.1.32.tgz",
           "integrity": "sha1-yLbBZ3l7pHQKjqMyUhYv8IWRsmY=",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "amdefine": ">=0.0.4"
+          }
         }
       }
     },
@@ -1923,13 +2696,19 @@
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "ansi-regex": "^2.0.0"
+      }
     },
     "strip-bom": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-2.0.0.tgz",
       "integrity": "sha1-YhmoVhZSBJHzV4i9vxRHqZx+aw4=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "is-utf8": "^0.2.0"
+      }
     },
     "strip-json-comments": {
       "version": "1.0.4",
@@ -1954,6 +2733,12 @@
       "resolved": "https://registry.npmjs.org/tiny-lr-fork/-/tiny-lr-fork-0.0.5.tgz",
       "integrity": "sha1-Hpnh4qhGm3NquX2X7vqYxx927Qo=",
       "dev": true,
+      "requires": {
+        "debug": "~0.7.0",
+        "faye-websocket": "~0.4.3",
+        "noptify": "~0.0.3",
+        "qs": "~0.5.2"
+      },
       "dependencies": {
         "debug": {
           "version": "0.7.4",
@@ -2034,6 +2819,14 @@
       "resolved": "https://registry.npmjs.org/utile/-/utile-0.2.1.tgz",
       "integrity": "sha1-kwyI6ZCY1iIINMNWy9mncFItkNc=",
       "dev": true,
+      "requires": {
+        "async": "~0.2.9",
+        "deep-equal": "*",
+        "i": "0.3.x",
+        "mkdirp": "0.x.x",
+        "ncp": "0.4.x",
+        "rimraf": "2.x.x"
+      },
       "dependencies": {
         "async": {
           "version": "0.2.10",
@@ -2060,18 +2853,35 @@
       "resolved": "https://registry.npmjs.org/vow-fs/-/vow-fs-0.3.6.tgz",
       "integrity": "sha1-LUxZviLivyYY3fWXq0uqkjvnIA0=",
       "dev": true,
+      "requires": {
+        "glob": "^7.0.5",
+        "uuid": "^2.0.2",
+        "vow": "^0.4.7",
+        "vow-queue": "^0.4.1"
+      },
       "dependencies": {
         "glob": {
           "version": "7.1.2",
           "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.2.tgz",
           "integrity": "sha512-MJTUg1kjuLeQCJ+ccE4Vpa6kKVXkPYJ2mOCQyUuKLcLQsdrMCpBPUi8qVE6+YuaJkozeA9NusTAw3hLr8Xe5EQ==",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
+          }
         },
         "minimatch": {
           "version": "3.0.4",
           "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
           "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "brace-expansion": "^1.1.7"
+          }
         }
       }
     },
@@ -2079,7 +2889,10 @@
       "version": "0.4.2",
       "resolved": "https://registry.npmjs.org/vow-queue/-/vow-queue-0.4.2.tgz",
       "integrity": "sha1-5/4XFg4Vx8QYTRtmapvGThjjAYQ=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "vow": "~0.4.0"
+      }
     },
     "which": {
       "version": "1.0.9",
@@ -2098,6 +2911,15 @@
       "resolved": "https://registry.npmjs.org/winston/-/winston-0.8.3.tgz",
       "integrity": "sha1-ZLar9M0Brcrv1QCTk7HY6L7BnbA=",
       "dev": true,
+      "requires": {
+        "async": "0.2.x",
+        "colors": "0.6.x",
+        "cycle": "1.0.x",
+        "eyes": "0.1.x",
+        "isstream": "0.1.x",
+        "pkginfo": "0.3.x",
+        "stack-trace": "0.0.x"
+      },
       "dependencies": {
         "async": {
           "version": "0.2.10",
@@ -2130,6 +2952,9 @@
       "resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-3.1.0.tgz",
       "integrity": "sha1-LIaIjy1OrehQ+jjKf3Ij9yCVFuE=",
       "dev": true,
+      "requires": {
+        "lodash": "^3.5.0"
+      },
       "dependencies": {
         "lodash": {
           "version": "3.10.1",
@@ -2149,7 +2974,15 @@
       "version": "3.27.0",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.27.0.tgz",
       "integrity": "sha1-ISBUaTFuk5Ex1Z8toMbX+YIh6kA=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "camelcase": "^1.2.1",
+        "cliui": "^2.1.0",
+        "decamelize": "^1.0.0",
+        "os-locale": "^1.4.0",
+        "window-size": "^0.1.2",
+        "y18n": "^3.2.0"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index 437f6c6..a32cc53 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "windows-registry",
-  "version": "0.1.5",
+  "version": "0.2.0",
   "description": "Read and Write to the Windows registry in-process from Node.js. Easily set application file associations and other goodies & such.",
   "main": "index.js",
   "directories": {
@@ -8,10 +8,10 @@
   },
   "dependencies": {
     "debug": "^2.2.0",
-    "ffi": "^2.0.0",
-    "ref": "^1.2.0",
-    "ref-struct": "^1.0.2",
-    "ref-union": "^1.0.0"
+    "ffi-napi": "^2.4.5",
+    "ref-napi": "^1.4.2",
+    "ref-struct-napi": "^1.1.0",
+    "ref-union-di": "^1.0.1"
   },
   "devDependencies": {
     "grunt": "^0.4.5",
diff --git a/test/mock/adv_api.js b/test/mock/adv_api.js
index f55dea9..82c4e65 100644
--- a/test/mock/adv_api.js
+++ b/test/mock/adv_api.js
@@ -8,7 +8,7 @@ var assert = require('assert'),
     windef = require('../../lib/windef'),
     types = require('../../lib/types'),
     debug = require('debug')('windows-registry'),
-    ref = require('ref');
+    ref = require('ref-napi');
 
 /*
 * Dumb O(n) search for value inside object
diff --git a/test/mock/shell32.js b/test/mock/shell32.js
index dd502ef..f625365 100644
--- a/test/mock/shell32.js
+++ b/test/mock/shell32.js
@@ -3,11 +3,11 @@
  * This is used for our tests
  */
 'use strict';
-require('ref');
+var ref = require('ref-napi');
 var debug = require('debug')('windows-registry'),
     assert = require('assert'),
-    struct = require('ref-struct'),
-    uniontype = require('ref-union'),
+    struct = require('ref-struct-napi'),
+    uniontype = require('ref-union-di')(ref),
     types = require('../../lib/types');
 
 var DUMMYUNIONNAME = uniontype({