diff --git a/package.json b/package.json
index 54b35fc..a3d7c03 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
   "devDependencies": {
     "del-cli": "3.0.1",
     "front-matter-loader": "1.1.0",
-    "highlight.js": "10.1.2",
+    "highlight.js": "10.3.0",
     "html-loader": "1.3.0",
     "jest": "26.4.2",
     "json-loader": "0.5.7",
diff --git a/yarn.lock b/yarn.lock
index de74321..28f9421 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2455,10 +2455,10 @@ he@^1.2.0:
   resolved "https://registry.npmjs.org/he/-/he-1.2.0.tgz#84ae65fa7eafb165fddb61566ae14baf05664f0f"
   integrity sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==
 
-highlight.js@10.1.2:
-  version "10.1.2"
-  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-10.1.2.tgz#c20db951ba1c22c055010648dfffd7b2a968e00c"
-  integrity sha512-Q39v/Mn5mfBlMff9r+zzA+gWxRsCRKwEMvYTiisLr/XUiFI/4puWt0Ojdko3R3JCNWGdOWaA5g/Yxqa23kC5AA==
+highlight.js@10.3.0:
+  version "10.3.0"
+  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-10.3.0.tgz#126609b0074c7c532c141b0283f62cbe1a20de8a"
+  integrity sha512-KCk70Hi534i6vF5vBJt08B3vJEw7BdArWHLfKKf9Dh2bYiJambzMRHmlCUMyvRWKbZMbLqt8iAnF8IwciybcwA==
 
 hmac-drbg@^1.0.0:
   version "1.0.1"