diff --git a/packages/syntax-highlighter/package-lock.json b/packages/syntax-highlighter/package-lock.json
index c635acf00..b9af77952 100644
--- a/packages/syntax-highlighter/package-lock.json
+++ b/packages/syntax-highlighter/package-lock.json
@@ -634,6 +634,16 @@
         "eslint-plugin-unicorn": "^14.0.1"
       }
     },
+    "@readme/variable": {
+      "version": "4.19.2",
+      "resolved": "https://registry.npmjs.org/@readme/variable/-/variable-4.19.2.tgz",
+      "integrity": "sha512-Q8YtcB88chYLlXJ5wohUrzccJMErppV0te2eqj8diRzyRIwt5HGVuuh4syEuud7noan5nrT9p7t2Uf4S7GxrTA==",
+      "requires": {
+        "classnames": "^2.2.6",
+        "prop-types": "^15.7.2",
+        "react": "^16.4.2"
+      }
+    },
     "@types/babel__core": {
       "version": "7.1.2",
       "resolved": "https://registry.npmjs.org/@types/babel__core/-/babel__core-7.1.2.tgz",
@@ -1503,6 +1513,11 @@
         }
       }
     },
+    "classnames": {
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/classnames/-/classnames-2.3.2.tgz",
+      "integrity": "sha512-CSbhY4cFEJRe6/GQzIk5qXZ4Jeg5pcsP7b5peFSDpffpe1cqjASH/n9UTjBwOp6XpMSTwQ8Za2K5V02ueA7Tmw=="
+    },
     "clean-regexp": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/clean-regexp/-/clean-regexp-1.0.0.tgz",
@@ -5262,21 +5277,10 @@
       "dev": true
     },
     "json5": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/json5/-/json5-2.1.0.tgz",
-      "integrity": "sha512-8Mh9h6xViijj36g7Dxi+Y4S6hNGV96vcJZr/SrlHh1LR/pEn/8j/+qIBbs44YKl69Lrfctp4QD+AdWLTMqEZAQ==",
-      "dev": true,
-      "requires": {
-        "minimist": "^1.2.0"
-      },
-      "dependencies": {
-        "minimist": {
-          "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
-          "dev": true
-        }
-      }
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.3.tgz",
+      "integrity": "sha512-XmOWe7eyHYH14cLdVPoyg+GOH3rYX++KpzrylJwSW98t3Nk+U8XOl8FWKOgwtzdb8lXGf6zYwDUzeHMWfxasyg==",
+      "dev": true
     },
     "jsprim": {
       "version": "1.4.1",