diff --git a/yarn.lock b/yarn.lock
index e8ddf1f..5facdfe 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1542,14 +1542,10 @@ hexo@^3.4.2:
     titlecase "^1.1.2"
     warehouse "^2.2.0"
 
-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@^9.4.0:
-  version "9.15.8"
-  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-9.15.8.tgz#f344fda123f36f1a65490e932cf90569e4999971"
-  integrity sha512-RrapkKQWwE+wKdF73VsOa2RQdIoO3mxwJ4P8mhbI6KYJUraUHRKM5w5zQQKXNk0xNL4UVRdulV9SBJcmzJNzVA==
+highlight.js@^9.12.0, highlight.js@^9.4.0:
+  version "9.18.5"
+  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-9.18.5.tgz#d18a359867f378c138d6819edfc2a8acd5f29825"
+  integrity sha512-a5bFyofd/BHCX52/8i8uJkjr9DYwXIPnM/plwI6W7ezItLGqzt7X2G2nXuYSfsIJdkwwj/g9DG1LkcGJI/dDoA==
 
 hoek@2.x.x:
   version "2.16.3"