diff --git a/ghost/core/package.json b/ghost/core/package.json
index 417e0459b1..493048aef5 100644
--- a/ghost/core/package.json
+++ b/ghost/core/package.json
@@ -196,7 +196,7 @@
     "@types/common-tags": "1.8.1",
     "c8": "7.12.0",
     "cli-progress": "3.11.2",
-    "cssnano": "5.1.12",
+    "cssnano": "5.1.13",
     "eslint": "8.21.0",
     "grunt": "1.5.3",
     "grunt-contrib-symlink": "1.0.0",
diff --git a/yarn.lock b/yarn.lock
index 2f9101061a..b1b260f587 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8468,10 +8468,10 @@ cssnano@4.1.10:
     is-resolvable "^1.0.0"
     postcss "^7.0.0"
 
-cssnano@5.1.12:
-  version "5.1.12"
-  resolved "https://registry.yarnpkg.com/cssnano/-/cssnano-5.1.12.tgz#bcd0b64d6be8692de79332c501daa7ece969816c"
-  integrity sha512-TgvArbEZu0lk/dvg2ja+B7kYoD7BBCmn3+k58xD0qjrGHsFzXY/wKTo9M5egcUCabPol05e/PVoIu79s2JN4WQ==
+cssnano@5.1.13:
+  version "5.1.13"
+  resolved "https://registry.yarnpkg.com/cssnano/-/cssnano-5.1.13.tgz#83d0926e72955332dc4802a7070296e6258efc0a"
+  integrity sha512-S2SL2ekdEz6w6a2epXn4CmMKU4K3KpcyXLKfAYc9UQQqJRkD/2eLUG0vJ3Db/9OvO5GuAdgXw3pFbR6abqghDQ==
   dependencies:
     cssnano-preset-default "^5.2.12"
     lilconfig "^2.0.3"