diff --git a/package-lock.json b/package-lock.json
index ea5b612d..49d2087a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,13 +23,10 @@
       "dev": true
     },
     "argparse": {
-      "version": "1.0.10",
-      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
-      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
-      "dev": true,
-      "requires": {
-        "sprintf-js": "~1.0.2"
-      }
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
+      "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==",
+      "dev": true
     },
     "cjson": {
       "version": "0.3.0",
@@ -107,9 +104,9 @@
       "dev": true
     },
     "entities": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/entities/-/entities-1.1.2.tgz",
-      "integrity": "sha512-f2LZMYl1Fzu7YSBKg+RoROelpOaNrcGmE9AZubeDfrCEia483oW4MI4VyFd5VNHIgQ/7qm1I0wUHK1eJnn2y2w==",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/entities/-/entities-2.1.0.tgz",
+      "integrity": "sha512-hCx1oky9PFrJ611mf0ifBLBRW8lUUVRlFolb5gWRfIELabBlbp9xZvrqZLZAs+NxFnbfQoeGd8wDkygjg7U85w==",
       "dev": true
     },
     "escodegen": {
@@ -257,23 +254,23 @@
       "dev": true
     },
     "linkify-it": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/linkify-it/-/linkify-it-2.1.0.tgz",
-      "integrity": "sha512-4REs8/062kV2DSHxNfq5183zrqXMl7WP0WzABH9IeJI+NLm429FgE1PDecltYfnOoFDFlZGh2T8PfZn0r+GTRg==",
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/linkify-it/-/linkify-it-3.0.3.tgz",
+      "integrity": "sha512-ynTsyrFSdE5oZ/O9GEf00kPngmOfVwazR5GKDq6EYfhlpFug3J2zybX56a2PRRpc9P+FuSoGNAwjlbDs9jJBPQ==",
       "dev": true,
       "requires": {
         "uc.micro": "^1.0.1"
       }
     },
     "markdown-it": {
-      "version": "8.4.2",
-      "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-8.4.2.tgz",
-      "integrity": "sha512-GcRz3AWTqSUphY3vsUqQSFMbgR38a4Lh3GWlHRh/7MRwz8mcu9n2IO7HOh+bXHrR9kOPDl5RNCaEsrneb+xhHQ==",
+      "version": "12.3.2",
+      "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-12.3.2.tgz",
+      "integrity": "sha512-TchMembfxfNVpHkbtriWltGWc+m3xszaRD0CZup7GFFhzIgQqxIfn3eGj1yZpfuflzPvfkt611B2Q/Bsk1YnGg==",
       "dev": true,
       "requires": {
-        "argparse": "^1.0.7",
-        "entities": "~1.1.1",
-        "linkify-it": "^2.0.0",
+        "argparse": "^2.0.1",
+        "entities": "~2.1.0",
+        "linkify-it": "^3.0.1",
         "mdurl": "^1.0.1",
         "uc.micro": "^1.0.5"
       }
@@ -368,12 +365,6 @@
         "amdefine": ">=0.0.4"
       }
     },
-    "sprintf-js": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
-      "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=",
-      "dev": true
-    },
     "string_decoder": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
diff --git a/package.json b/package.json
index 71af3a0f..14bc3ae7 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "google-closure-compiler-js": "~20170910.0.1",
     "highlight.js": "~9.12.0",
     "jison": "~0.4.18",
-    "markdown-it": "~8.4.0",
+    "markdown-it": "~12.3.2",
     "underscore": "~1.8.3"
   },
   "dependencies": {