diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 12585b6..71580a6
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "webpack": "^2.2.1"
   },
   "dependencies": {
-    "highlight.js": "^9.12.0",
+    "highlight.js": "^10.4.1",
     "highlightjs-solidity": "^1.0.5"
   }
 }
diff --git a/yarn.lock b/yarn.lock
old mode 100755
new mode 100644
index 273c32c..b9338b2
--- a/yarn.lock
+++ b/yarn.lock
@@ -1502,9 +1502,9 @@ hawk@~3.1.3:
     hoek "2.x.x"
     sntp "1.x.x"
 
-highlight.js@^9.12.0:
-  version "9.12.0"
-  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-9.12.0.tgz#e6d9dbe57cbefe60751f02af336195870c90c01e"
+highlight.js@^10.4.1:
+  version "10.4.1"
+  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-10.4.1.tgz#d48fbcf4a9971c4361b3f95f302747afe19dbad0"
 
 highlightjs-solidity@^1.0.5:
   version "1.0.5"