diff --git a/package-lock.json b/package-lock.json
index fee92a7..29b4f63 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -290,10 +290,7 @@
                 "node >=0.10.0"
             ],
             "dependencies": {
-                "dtrace-provider": "~0.8",
-                "moment": "^2.10.6",
-                "mv": "~2",
-                "safe-json-stringify": "~1"
+                "moment": "^2.10.6"
             },
             "bin": {
                 "bunyan": "bin/bunyan"
@@ -1004,9 +1001,9 @@
             }
         },
         "node_modules/moment-timezone": {
-            "version": "0.5.31",
-            "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.31.tgz",
-            "integrity": "sha512-+GgHNg8xRhMXfEbv81iDtrVeTcWt0kWmTEY1XQK14dICTXnWJnT0dxdlPspwqF3keKMVPXwayEsk1DI0AA/jdA==",
+            "version": "0.5.37",
+            "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.37.tgz",
+            "integrity": "sha512-uEDzDNFhfaywRl+vwXxffjjq1q0Vzr+fcQpQ1bU0kbzorfS7zVtZnCnGc8mhWmF39d4g4YriF6kwA75mJKE/Zg==",
             "dependencies": {
                 "moment": ">= 2.9.0"
             },
@@ -1255,7 +1252,6 @@
                 "assert-plus": "^1.0.0",
                 "bunyan": "^1.8.12",
                 "csv": "^5.1.1",
-                "dtrace-provider": "^0.8.1",
                 "escape-regexp-component": "^1.0.2",
                 "ewma": "^2.0.1",
                 "find-my-way": "^2.0.1",
@@ -1292,8 +1288,7 @@
             "dependencies": {
                 "@netflix/nerror": "^1.0.0",
                 "assert-plus": "^1.0.0",
-                "lodash": "^4.17.15",
-                "safe-json-stringify": "^1.0.4"
+                "lodash": "^4.17.15"
             },
             "optionalDependencies": {
                 "safe-json-stringify": "^1.0.4"
@@ -2575,9 +2570,9 @@
             "integrity": "sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg=="
         },
         "moment-timezone": {
-            "version": "0.5.31",
-            "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.31.tgz",
-            "integrity": "sha512-+GgHNg8xRhMXfEbv81iDtrVeTcWt0kWmTEY1XQK14dICTXnWJnT0dxdlPspwqF3keKMVPXwayEsk1DI0AA/jdA==",
+            "version": "0.5.37",
+            "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.37.tgz",
+            "integrity": "sha512-uEDzDNFhfaywRl+vwXxffjjq1q0Vzr+fcQpQ1bU0kbzorfS7zVtZnCnGc8mhWmF39d4g4YriF6kwA75mJKE/Zg==",
             "requires": {
                 "moment": ">= 2.9.0"
             }