diff --git a/ghost/admin/package.json b/ghost/admin/package.json
index d9cd42c4be..33add7f0cd 100644
--- a/ghost/admin/package.json
+++ b/ghost/admin/package.json
@@ -34,7 +34,7 @@
     "@tryghost/kg-parser-plugins": "0.5.1",
     "@tryghost/mobiledoc-kit": "0.11.2-ghost.4",
     "@tryghost/timezone-data": "0.2.5",
-    "autoprefixer": "9.6.0",
+    "autoprefixer": "9.6.1",
     "blueimp-md5": "2.10.0",
     "broccoli-asset-rev": "3.0.0",
     "broccoli-concat": "3.7.3",
diff --git a/ghost/admin/yarn.lock b/ghost/admin/yarn.lock
index 602b6bf662..861af6682e 100644
--- a/ghost/admin/yarn.lock
+++ b/ghost/admin/yarn.lock
@@ -1634,18 +1634,18 @@ atob@^2.1.1:
   resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"
   integrity sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg==
 
-autoprefixer@9.6.0:
-  version "9.6.0"
-  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-9.6.0.tgz#0111c6bde2ad20c6f17995a33fad7cf6854b4c87"
-  integrity sha512-kuip9YilBqhirhHEGHaBTZKXL//xxGnzvsD0FtBQa6z+A69qZD6s/BAX9VzDF1i9VKDquTJDQaPLSEhOnL6FvQ==
+autoprefixer@9.6.1:
+  version "9.6.1"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-9.6.1.tgz#51967a02d2d2300bb01866c1611ec8348d355a47"
+  integrity sha512-aVo5WxR3VyvyJxcJC3h4FKfwCQvQWb1tSI5VHNibddCVWrcD1NvlxEweg3TSgiPztMnWfjpy2FURKA2kvDE+Tw==
   dependencies:
-    browserslist "^4.6.1"
-    caniuse-lite "^1.0.30000971"
+    browserslist "^4.6.3"
+    caniuse-lite "^1.0.30000980"
     chalk "^2.4.2"
     normalize-range "^0.1.2"
     num2fraction "^1.2.2"
-    postcss "^7.0.16"
-    postcss-value-parser "^3.3.1"
+    postcss "^7.0.17"
+    postcss-value-parser "^4.0.0"
 
 aws-sign2@~0.7.0:
   version "0.7.0"
@@ -3115,7 +3115,7 @@ browserslist@^3.1.1, browserslist@^3.2.6:
     caniuse-lite "^1.0.30000844"
     electron-to-chromium "^1.3.47"
 
-browserslist@^4.0.0, browserslist@^4.6.0, browserslist@^4.6.1, browserslist@^4.6.2:
+browserslist@^4.0.0, browserslist@^4.6.0, browserslist@^4.6.2, browserslist@^4.6.3:
   version "4.6.3"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.6.3.tgz#0530cbc6ab0c1f3fc8c819c72377ba55cf647f05"
   integrity sha512-CNBqTCq22RKM8wKJNowcqihHJ4SkI8CGeK7KOR9tPboXUuS5Zk5lQgzzTbs4oxD8x+6HUshZUa2OyNI9lR93bQ==
@@ -3336,11 +3336,16 @@ 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@^1.0.30000971, caniuse-lite@^1.0.30000975:
+caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000844, caniuse-lite@^1.0.30000975:
   version "1.0.30000979"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000979.tgz#92f16d00186a6cf20d6c5711bb6e042a3d667029"
   integrity sha512-gcu45yfq3B7Y+WB05fOMfr0EiSlq+1u+m6rPHyJli/Wy3PVQNGaU7VA4bZE5qw+AU2UVOBR/N5g1bzADUqdvFw==
 
+caniuse-lite@^1.0.30000980:
+  version "1.0.30000980"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000980.tgz#0df53e4354b3111f83ac15b0bd4c71fe92994231"
+  integrity sha512-as0PRtWHaX3gl2gpC7qA7bX88lr+qLacMMXm1QKLLQtBCwT/Ljbgrv5EXKMNBoeEX6yFZ4vIsBb4Nh+PEwW2Rw==
+
 capture-exit@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/capture-exit/-/capture-exit-2.0.0.tgz#fb953bfaebeb781f62898239dabb426d08a509a4"
@@ -10661,6 +10666,11 @@ postcss-value-parser@^3.0.0, postcss-value-parser@^3.2.3, postcss-value-parser@^
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-3.3.1.tgz#9ff822547e2893213cf1c30efa51ac5fd1ba8281"
   integrity sha512-pISE66AbVkp4fDQ7VHBwRNXzAAKJjw4Vw7nWI/+Q3vuly7SNfgYXvm6i5IgFylHGK5sP/xHAbB7N49OS4gWNyQ==
 
+postcss-value-parser@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.0.0.tgz#99a983d365f7b2ad8d0f9b8c3094926eab4b936d"
+  integrity sha512-ESPktioptiSUchCKgggAkzdmkgzKfmp0EU8jXH+5kbIUB+unr0Y4CY9SRMvibuvYUBjNh1ACLbxqYNpdTQOteQ==
+
 postcss-values-parser@^2.0.0, postcss-values-parser@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/postcss-values-parser/-/postcss-values-parser-2.0.1.tgz#da8b472d901da1e205b47bdc98637b9e9e550e5f"
@@ -10679,7 +10689,7 @@ 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@^7.0.16, postcss@^7.0.17, postcss@^7.0.2, 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@^7.0.5:
   version "7.0.17"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.17.tgz#4da1bdff5322d4a0acaab4d87f3e782436bad31f"
   integrity sha512-546ZowA+KZ3OasvQZHsbuEpysvwTZNGJv9EfyCQdsIDltPSWHAeTQ5fQy/Npi2ZDtLI3zs7Ps/p6wThErhm9fQ==