diff --git a/package.json b/package.json
index df68248..3b90f6a 100644
--- a/package.json
+++ b/package.json
@@ -74,7 +74,7 @@
     "gulp-postcss": "^7.0.1",
     "gulp-sass": "^4.0.1",
     "gulp-sourcemaps": "^2.6.4",
-    "highlight.js": "^9.12.0",
+    "highlight.js": "^10.4.1",
     "html-webpack-plugin": "^3.2.0",
     "http-proxy-middleware": "^0.18.0",
     "jest": "^22.4.3",
diff --git a/yarn.lock b/yarn.lock
index c30ae6d..6117210 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5776,7 +5776,12 @@ he@1.1.x, he@^1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/he/-/he-1.1.1.tgz#93410fd21b009735151f8868c2f271f3427e23fd"
 
-highlight.js@^9.12.0, highlight.js@^9.4.0:
+highlight.js@^10.4.1:
+  version "10.4.1"
+  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-10.4.1.tgz#d48fbcf4a9971c4361b3f95f302747afe19dbad0"
+  integrity sha512-yR5lWvNz7c85OhVAEAeFhVCc/GV4C30Fjzc/rCP0aCWzc1UUOPUk55dK/qdwTZHBvMZo+eZ2jpk62ndX/xMFlg==
+
+highlight.js@^9.4.0:
   version "9.12.0"
   resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-9.12.0.tgz#e6d9dbe57cbefe60751f02af336195870c90c01e"
 
@@ -8623,7 +8628,7 @@ onecolor@^3.0.4:
 
 onetime@^1.0.0:
   version "1.1.0"
-  resolved "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
+  resolved "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
 
 onetime@^2.0.0:
   version "2.0.1"