diff --git a/ghost/admin/package.json b/ghost/admin/package.json
index 21a49b91cb..830492d428 100644
--- a/ghost/admin/package.json
+++ b/ghost/admin/package.json
@@ -36,7 +36,7 @@
     "@tryghost/mobiledoc-kit": "0.11.2-ghost.4",
     "@tryghost/string": "0.1.5",
     "@tryghost/timezone-data": "0.2.18",
-    "autoprefixer": "9.7.3",
+    "autoprefixer": "9.7.4",
     "babel-eslint": "10.0.3",
     "blueimp-md5": "2.12.0",
     "broccoli-asset-rev": "3.0.0",
diff --git a/ghost/admin/yarn.lock b/ghost/admin/yarn.lock
index c684b476e2..220aa4fb95 100644
--- a/ghost/admin/yarn.lock
+++ b/ghost/admin/yarn.lock
@@ -1830,17 +1830,17 @@ atob@^2.1.2:
   resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"
   integrity sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg==
 
-autoprefixer@9.7.3:
-  version "9.7.3"
-  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-9.7.3.tgz#fd42ed03f53de9beb4ca0d61fb4f7268a9bb50b4"
-  integrity sha512-8T5Y1C5Iyj6PgkPSFd0ODvK9DIleuPKUPYniNxybS47g2k2wFgLZ46lGQHlBuGKIAEV8fbCDfKCCRS1tvOgc3Q==
+autoprefixer@9.7.4:
+  version "9.7.4"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-9.7.4.tgz#f8bf3e06707d047f0641d87aee8cfb174b2a5378"
+  integrity sha512-g0Ya30YrMBAEZk60lp+qfX5YQllG+S5W3GYCFvyHTvhOki0AEQJLPEcIuGRsqVwLi8FvXPVtwTGhfr38hVpm0g==
   dependencies:
-    browserslist "^4.8.0"
-    caniuse-lite "^1.0.30001012"
+    browserslist "^4.8.3"
+    caniuse-lite "^1.0.30001020"
     chalk "^2.4.2"
     normalize-range "^0.1.2"
     num2fraction "^1.2.2"
-    postcss "^7.0.23"
+    postcss "^7.0.26"
     postcss-value-parser "^4.0.2"
 
 aws-sign2@~0.7.0:
@@ -3443,7 +3443,7 @@ browserslist@^3.2.6:
     caniuse-lite "^1.0.30000844"
     electron-to-chromium "^1.3.47"
 
-browserslist@^4.0.0, browserslist@^4.8.0, browserslist@^4.8.2, browserslist@^4.8.3:
+browserslist@^4.0.0, browserslist@^4.8.2, browserslist@^4.8.3:
   version "4.8.3"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.8.3.tgz#65802fcd77177c878e015f0e3189f2c4f627ba44"
   integrity sha512-iU43cMMknxG1ClEZ2MDKeonKE1CCrFVkQK2AqO2YWFmvIrx4JWrvQ4w4hQez6EpVI8rHTtqh/ruHHDHSOKxvUg==
@@ -3641,7 +3641,7 @@ caniuse-api@^3.0.0:
     lodash.memoize "^4.1.2"
     lodash.uniq "^4.5.0"
 
-caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000844, caniuse-lite@^1.0.30001012, caniuse-lite@^1.0.30001017:
+caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000844, caniuse-lite@^1.0.30001017, caniuse-lite@^1.0.30001020:
   version "1.0.30001021"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001021.tgz#e75ed1ef6dbadd580ac7e7720bb16f07b083f254"
   integrity sha512-wuMhT7/hwkgd8gldgp2jcrUjOU9RXJ4XxGumQeOsUr91l3WwmM68Cpa/ymCnWEDqakwFXhuDQbaKNHXBPgeE9g==
@@ -10820,7 +10820,7 @@ postcss@^6.0.1, postcss@^6.0.11:
     source-map "^0.6.1"
     supports-color "^5.4.0"
 
-postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.17, postcss@^7.0.2, postcss@^7.0.23, postcss@^7.0.5:
+postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.17, postcss@^7.0.2, postcss@^7.0.26, postcss@^7.0.5:
   version "7.0.26"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.26.tgz#5ed615cfcab35ba9bbb82414a4fa88ea10429587"
   integrity sha512-IY4oRjpXWYshuTDFxMVkJDtWIk2LhsTlu8bZnbEJA4+bYT16Lvpo8Qv6EvDumhYRgzjZl489pmsY3qVgJQ08nA==