diff --git a/package-lock.json b/package-lock.json
index 9ad9d8c..9b74550 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7468,9 +7468,9 @@
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-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/entities/-/entities-1.1.1.tgz",
-      "integrity": "sha1-blwtClYhtdra7O+AuQ7ftc13cvA=",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/entities/-/entities-2.1.0.tgz",
+      "integrity": "sha512-hCx1oky9PFrJ611mf0ifBLBRW8lUUVRlFolb5gWRfIELabBlbp9xZvrqZLZAs+NxFnbfQoeGd8wDkygjg7U85w==",
       "dev": true
     },
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@@ -12622,9 +12622,9 @@
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     "linkify-it": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/linkify-it/-/linkify-it-2.0.3.tgz",
-      "integrity": "sha1-2UpGSPmxwXnWT6lykSaL22zpQ08=",
+      "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"
@@ -13039,16 +13039,24 @@
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     "markdown-it": {
-      "version": "8.4.0",
-      "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-8.4.0.tgz",
-      "integrity": "sha512-tNuOCCfunY5v5uhcO2AUMArvKAyKMygX8tfup/JrgnsDqcCATQsAExBq7o5Ml9iMmO82bk6jYNLj6khcrl0JGA==",
+      "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": "^1.0.3"
+        "uc.micro": "^1.0.5"
+      },
+      "dependencies": {
+        "argparse": {
+          "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
+        }
       }
     },
     "math-expression-evaluator": {
@@ -20164,9 +20172,9 @@
       "dev": true
     },
     "uc.micro": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/uc.micro/-/uc.micro-1.0.3.tgz",
-      "integrity": "sha1-ftUNXg+an7ClczeSWfKndFjVAZI=",
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/uc.micro/-/uc.micro-1.0.6.tgz",
+      "integrity": "sha512-8Y75pvTYkLJW2hWQHXxoqRgV7qb9B+9vFEtidML+7koHUFapnVJAZ6cKs+Qjz5Aw3aZWHMC6u0wJE3At+nSGwA==",
       "dev": true
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index c9bdb91..ebe71ec 100644
--- a/package.json
+++ b/package.json
@@ -81,7 +81,7 @@
     "invariant": "^2.2.2",
     "jsdom": "^11.3.0",
     "lodash": "^4.17.4",
-    "markdown-it": "^8.4.0",
+    "markdown-it": "^12.3.2",
     "mini-css-extract-plugin": "^0.4.0",
     "minimist": "^1.2.0",
     "mocha": "^3.5.3",