diff --git a/package.json b/package.json
index 2119434..66374ed 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
   "license": "MIT",
   "dependencies": {
     "github-markdown-css": "^3.0.1",
-    "highlight.js": "^9.16.2",
+    "highlight.js": "^10.1.2",
     "marked": "^0.7.0",
     "undo-manager": "^1.0.5",
     "uuid": "^3.3.3",
diff --git a/yarn.lock b/yarn.lock
index 5cb6194..acb7760 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4779,12 +4779,12 @@ header-case@^2.0.3:
     capital-case "^1.0.3"
     tslib "^1.10.0"
 
-highlight.js@^9.12.0, highlight.js@^9.16.2:
-  version "9.16.2"
-  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-9.16.2.tgz#68368d039ffe1c6211bcc07e483daf95de3e403e"
-  integrity sha512-feMUrVLZvjy0oC7FVJQcSQRqbBq9kwqnYE4+Kj9ZjbHh3g+BisiPgF49NyQbVLNdrL/qqZr3Ca9yOKwgn2i/tw==
+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@^9.18.0:
+highlight.js@^9.12.0, highlight.js@^9.16.2, highlight.js@^9.18.0:
   version "9.18.0"
   resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-9.18.0.tgz#6b1763cfcd53744313bd3f31f1210f7beb962c79"
   integrity sha512-A97kI1KAUzKoAiEoaGcf2O9YPS8nbDTCRFokaaeBhnqjQTvbAuAJrQMm21zw8s8xzaMtCQBtgbyGXLGxdxQyqQ==