diff --git a/package.json b/package.json
index bcacb701..7f089788 100644
--- a/package.json
+++ b/package.json
@@ -92,7 +92,7 @@
         "@tryghost/shared-theme-assets": "2.0.1",
         "autoprefixer": "10.4.13",
         "beeper": "2.1.0",
-        "cssnano": "5.1.14",
+        "cssnano": "5.1.15",
         "gscan": "4.36.0",
         "gulp": "4.0.2",
         "gulp-concat": "2.6.1",