diff --git a/yarn.lock b/yarn.lock
index ea2fe515..73ea9153 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4268,9 +4268,9 @@ hawk@~6.0.2:
     sntp "2.x.x"
 
 highlight.js@^9.6.0:
-  version "9.12.0"
-  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-9.12.0.tgz#e6d9dbe57cbefe60751f02af336195870c90c01e"
-  integrity sha1-5tnb5Xy+/mB1HwKvM2GVhwyQwB4=
+  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"