diff --git a/package.json b/package.json
index d6a4dd24ba..5709ad5627 100644
--- a/package.json
+++ b/package.json
@@ -184,7 +184,7 @@
     "c8": "7.10.0",
     "chai": "4.3.4",
     "coffeescript": "2.6.1",
-    "cssnano": "5.0.12",
+    "cssnano": "5.0.13",
     "eslint": "7.32.0",
     "eslint-plugin-ghost": "2.11.0",
     "expect": "27.4.2",
diff --git a/yarn.lock b/yarn.lock
index 3f3830676c..127196db76 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3755,15 +3755,15 @@ cssesc@^3.0.0:
   resolved "https://registry.npmjs.org/cssesc/-/cssesc-3.0.0.tgz"
   integrity sha512-/Tb/JcjK111nNScGob5MNtsntNM1aCNUDipB/TkwZFhyDrrE47SOx/18wF2bbjgc3ZzCSKW1T5nt5EbFoAz/Vg==
 
-cssnano-preset-default@^5.1.8:
-  version "5.1.8"
-  resolved "https://registry.npmjs.org/cssnano-preset-default/-/cssnano-preset-default-5.1.8.tgz"
-  integrity sha512-zWMlP0+AMPBVE852SqTrP0DnhTcTA2C1wAF92TKZ3Va+aUVqLIhkqKlnJIXXdqXD7RN+S1ujuWmNpvrJBiM/vg==
+cssnano-preset-default@^5.1.9:
+  version "5.1.9"
+  resolved "https://registry.yarnpkg.com/cssnano-preset-default/-/cssnano-preset-default-5.1.9.tgz#79628ac48eccbdad570f70b4018cc38d43d1b7df"
+  integrity sha512-RhkEucqlQ+OxEi14K1p8gdXcMQy1mSpo7P1oC44oRls7BYIj8p+cht4IFBFV3W4iOjTP8EUB33XV1fX9KhDzyA==
   dependencies:
     css-declaration-sorter "^6.0.3"
     cssnano-utils "^2.0.1"
     postcss-calc "^8.0.0"
-    postcss-colormin "^5.2.1"
+    postcss-colormin "^5.2.2"
     postcss-convert-values "^5.0.2"
     postcss-discard-comments "^5.0.1"
     postcss-discard-duplicates "^5.0.1"
@@ -3782,7 +3782,7 @@ cssnano-preset-default@^5.1.8:
     postcss-normalize-string "^5.0.1"
     postcss-normalize-timing-functions "^5.0.1"
     postcss-normalize-unicode "^5.0.1"
-    postcss-normalize-url "^5.0.3"
+    postcss-normalize-url "^5.0.4"
     postcss-normalize-whitespace "^5.0.1"
     postcss-ordered-values "^5.0.2"
     postcss-reduce-initial "^5.0.2"
@@ -3795,12 +3795,12 @@ cssnano-utils@^2.0.1:
   resolved "https://registry.npmjs.org/cssnano-utils/-/cssnano-utils-2.0.1.tgz"
   integrity sha512-i8vLRZTnEH9ubIyfdZCAdIdgnHAUeQeByEeQ2I7oTilvP9oHO6RScpeq3GsFUVqeB8uZgOQ9pw8utofNn32hhQ==
 
-cssnano@5.0.12:
-  version "5.0.12"
-  resolved "https://registry.npmjs.org/cssnano/-/cssnano-5.0.12.tgz"
-  integrity sha512-U38V4x2iJ3ijPdeWqUrEr4eKBB5PbEKsNP5T8xcik2Au3LeMtiMHX0i2Hu9k51FcKofNZumbrcdC6+a521IUHg==
+cssnano@5.0.13:
+  version "5.0.13"
+  resolved "https://registry.yarnpkg.com/cssnano/-/cssnano-5.0.13.tgz#a84340c77d821af13858f9d98916722641b39906"
+  integrity sha512-cAmLruIF28a7vKIOieXCTrllaLwbouxV1PPi8Z4M+XloXbmeooWAu4KhJgASo4vQUwbs2pqDgAlnZ1ZKJZKtuw==
   dependencies:
-    cssnano-preset-default "^5.1.8"
+    cssnano-preset-default "^5.1.9"
     is-resolvable "^1.1.0"
     lilconfig "^2.0.3"
     yaml "^1.10.2"
@@ -6495,7 +6495,7 @@ ipaddr.js@1.9.1:
   resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.9.1.tgz"
   integrity sha512-0KI/607xoxSToH7GjN1FfSbLoU0+btTicjsQSWQlh/hZykN8KpmMf7uYwPW3R+akZ6R/w18ZlXSHBYXiYUPO3g==
 
-is-absolute-url@^3.0.0, is-absolute-url@^3.0.3:
+is-absolute-url@^3.0.0:
   version "3.0.3"
   resolved "https://registry.npmjs.org/is-absolute-url/-/is-absolute-url-3.0.3.tgz"
   integrity sha512-opmNIX7uFnS96NtPmhWQgQx6/NYFgsUXYMllcfzwWKUMwfo8kku1TvE6hkNcH+Q1ts5cMVrsY7j0bxXQDciu9Q==
@@ -9479,15 +9479,15 @@ postcss-calc@^8.0.0:
     postcss-selector-parser "^6.0.2"
     postcss-value-parser "^4.0.2"
 
-postcss-colormin@^5.2.1:
-  version "5.2.1"
-  resolved "https://registry.npmjs.org/postcss-colormin/-/postcss-colormin-5.2.1.tgz"
-  integrity sha512-VVwMrEYLcHYePUYV99Ymuoi7WhKrMGy/V9/kTS0DkCoJYmmjdOMneyhzYUxcNgteKDVbrewOkSM7Wje/MFwxzA==
+postcss-colormin@^5.2.2:
+  version "5.2.2"
+  resolved "https://registry.yarnpkg.com/postcss-colormin/-/postcss-colormin-5.2.2.tgz#019cd6912bef9e7e0924462c5e4ffae241e2f437"
+  integrity sha512-tSEe3NpqWARUTidDlF0LntPkdlhXqfDFuA1yslqpvvGAfpZ7oBaw+/QXd935NKm2U9p4PED0HDZlzmMk7fVC6g==
   dependencies:
     browserslist "^4.16.6"
     caniuse-api "^3.0.0"
     colord "^2.9.1"
-    postcss-value-parser "^4.1.0"
+    postcss-value-parser "^4.2.0"
 
 postcss-convert-values@^5.0.2:
   version "5.0.2"
@@ -9619,14 +9619,13 @@ postcss-normalize-unicode@^5.0.1:
     browserslist "^4.16.0"
     postcss-value-parser "^4.1.0"
 
-postcss-normalize-url@^5.0.3:
-  version "5.0.3"
-  resolved "https://registry.npmjs.org/postcss-normalize-url/-/postcss-normalize-url-5.0.3.tgz"
-  integrity sha512-qWiUMbvkRx3kc1Dp5opzUwc7MBWZcSDK2yofCmdvFBCpx+zFPkxBC1FASQ59Pt+flYfj/nTZSkmF56+XG5elSg==
+postcss-normalize-url@^5.0.4:
+  version "5.0.4"
+  resolved "https://registry.yarnpkg.com/postcss-normalize-url/-/postcss-normalize-url-5.0.4.tgz#3b0322c425e31dd275174d0d5db0e466f50810fb"
+  integrity sha512-cNj3RzK2pgQQyNp7dzq0dqpUpQ/wYtdDZM3DepPmFjCmYIfceuD9VIAcOdvrNetjIU65g1B4uwdP/Krf6AFdXg==
   dependencies:
-    is-absolute-url "^3.0.3"
     normalize-url "^6.0.1"
-    postcss-value-parser "^4.1.0"
+    postcss-value-parser "^4.2.0"
 
 postcss-normalize-whitespace@^5.0.1:
   version "5.0.1"
@@ -9683,7 +9682,7 @@ postcss-unique-selectors@^5.0.2:
     alphanum-sort "^1.0.2"
     postcss-selector-parser "^6.0.5"
 
-postcss-value-parser@^4.0.2, postcss-value-parser@^4.1.0:
+postcss-value-parser@^4.0.2, postcss-value-parser@^4.1.0, postcss-value-parser@^4.2.0:
   version "4.2.0"
   resolved "https://registry.npmjs.org/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz"
   integrity sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==