diff --git a/package.json b/package.json
index d4f6857f91..0041499487 100644
--- a/package.json
+++ b/package.json
@@ -149,7 +149,7 @@
   "devDependencies": {
     "@lodder/grunt-postcss": "3.0.1",
     "coffeescript": "2.5.1",
-    "cssnano": "5.0.1",
+    "cssnano": "5.0.2",
     "eslint": "7.25.0",
     "eslint-plugin-ghost": "2.1.0",
     "grunt": "1.4.0",
diff --git a/yarn.lock b/yarn.lock
index 39ebeee977..d493f061c2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2443,10 +2443,10 @@ cssesc@^3.0.0:
   resolved "https://registry.yarnpkg.com/cssesc/-/cssesc-3.0.0.tgz#37741919903b868565e1c09ea747445cd18983ee"
   integrity sha512-/Tb/JcjK111nNScGob5MNtsntNM1aCNUDipB/TkwZFhyDrrE47SOx/18wF2bbjgc3ZzCSKW1T5nt5EbFoAz/Vg==
 
-cssnano-preset-default@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/cssnano-preset-default/-/cssnano-preset-default-5.0.0.tgz#94c03ecc1cb47ecdc23c0aea3ca05170ebbb7e33"
-  integrity sha512-zsLppqF7PxY6Tk+ghVx8djf4o1jIOu2GNufqy9lMxldt7gGpSy3FQ6jn7FCd5DZWCaBa7A/1/HVh8CK3BdFSJg==
+cssnano-preset-default@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/cssnano-preset-default/-/cssnano-preset-default-5.0.1.tgz#76adc00f7aae36ae80552b8356e21bec4b233ca2"
+  integrity sha512-cfmfThYODGqhpQKDq9H0MTAqkMvZ3dGbOUTBKw0xWZiIycMqHid22LsJXJl4r1qX4qzDeKxcSyQ/Xb5Mu3Z//Q==
   dependencies:
     css-declaration-sorter "6.0.0"
     cssnano-utils "^2.0.0"
@@ -2457,7 +2457,7 @@ cssnano-preset-default@^5.0.0:
     postcss-discard-duplicates "^5.0.0"
     postcss-discard-empty "^5.0.0"
     postcss-discard-overridden "^5.0.0"
-    postcss-merge-longhand "^5.0.0"
+    postcss-merge-longhand "^5.0.1"
     postcss-merge-rules "^5.0.0"
     postcss-minify-font-values "^5.0.0"
     postcss-minify-gradients "^5.0.0"
@@ -2483,13 +2483,13 @@ cssnano-utils@^2.0.0:
   resolved "https://registry.yarnpkg.com/cssnano-utils/-/cssnano-utils-2.0.0.tgz#b04baaa312aa3dd5a854b7f61d76b9d94be07f74"
   integrity sha512-xvxmTszdrvSyTACdPe8VU5J6p4sm3egpgw54dILvNqt5eBUv6TFjACLhSxtRuEsxYrgy8uDy269YjScO5aKbGA==
 
-cssnano@5.0.1:
-  version "5.0.1"
-  resolved "https://registry.yarnpkg.com/cssnano/-/cssnano-5.0.1.tgz#ed4822c4a9212f22f6820717859c52a6b7f9cf5c"
-  integrity sha512-5WubEmKcK2cqw43DUAayRBiIlTdX7iX3ZowrWDVxSVcW3hyohVnbJ4K4mbnWtJp5rfJnUwHg5H4mDAGzmuCM3g==
+cssnano@5.0.2:
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/cssnano/-/cssnano-5.0.2.tgz#3f6de4fd5ecb7b5fb636c1a606de5f38cd241493"
+  integrity sha512-8JK3EnPsjQsULme9/e5M2hF564f/480hwsdcHvQ7ZtAIMfQ1O3SCfs+b8Mjf5KJxhYApyRshR2QSovEJi2K72Q==
   dependencies:
     cosmiconfig "^7.0.0"
-    cssnano-preset-default "^5.0.0"
+    cssnano-preset-default "^5.0.1"
     is-resolvable "^1.1.0"
 
 csso@^4.2.0:
@@ -7517,10 +7517,10 @@ postcss-discard-overridden@^5.0.0:
   resolved "https://registry.yarnpkg.com/postcss-discard-overridden/-/postcss-discard-overridden-5.0.0.tgz#ac00f695a60001eda52135a11fac87376b8da9ee"
   integrity sha512-hybnScTaZM2iEA6kzVQ6Spozy7kVdLw+lGw8hftLlBEzt93uzXoltkYp9u0tI8xbfhxDLTOOzHsHQCkYdmzRUg==
 
-postcss-merge-longhand@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/postcss-merge-longhand/-/postcss-merge-longhand-5.0.0.tgz#103dee28c55491df727f17d7b8e91e93e7a472ee"
-  integrity sha512-VZNFA40K8BYHzJNA6jHPdg1Nofsz/nK5Dkszrcb5IgWcLroSBZOD6I/iNQzpejSU/3XwpOiZNaYAdBV4KcvxWA==
+postcss-merge-longhand@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/postcss-merge-longhand/-/postcss-merge-longhand-5.0.1.tgz#1a008ff72d14cd3e2f3d32accc2ad37948bcabf4"
+  integrity sha512-H1RO8le5deFGumQzuhJjuL0bIXPRysa+w7xtk5KrHe38oiaSS9ksPXDo24+IOS3SETPhip0J5+1uCOW+ALs3Yw==
   dependencies:
     css-color-names "^1.0.1"
     postcss-value-parser "^4.1.0"