diff --git a/yarn.lock b/yarn.lock
index bcca1b7..16cb8e7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -516,7 +516,7 @@ compressible@~2.0.13:
 
 compression@^1.6.0:
   version "1.7.2"
-  resolved "http://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
+  resolved "https://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
   dependencies:
     accepts "~1.3.4"
     bytes "3.0.0"
@@ -1515,8 +1515,8 @@ hexo@^3.7.1:
     warehouse "^2.2.0"
 
 highlight.js@^9.0.0, highlight.js@^9.4.0:
-  version "9.12.0"
-  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-9.12.0.tgz#e6d9dbe57cbefe60751f02af336195870c90c01e"
+  version "9.18.5"
+  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-9.18.5.tgz#d18a359867f378c138d6819edfc2a8acd5f29825"
 
 hoek@2.x.x:
   version "2.16.3"