diff --git a/ghost/admin/package.json b/ghost/admin/package.json
index d7400428dc..f687898318 100644
--- a/ghost/admin/package.json
+++ b/ghost/admin/package.json
@@ -26,7 +26,7 @@
     "node": "~0.12.0 || ^4.2.0"
   },
   "devDependencies": {
-    "autoprefixer": "6.7.3",
+    "autoprefixer": "6.7.5",
     "blueimp-md5": "2.6.0",
     "bower": "1.8.0",
     "broccoli-asset-rev": "2.5.0",
diff --git a/ghost/admin/yarn.lock b/ghost/admin/yarn.lock
index 3481aa0d7f..cabfb47777 100644
--- a/ghost/admin/yarn.lock
+++ b/ghost/admin/yarn.lock
@@ -265,7 +265,18 @@ asynckit@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
 
-autoprefixer@6.7.3, autoprefixer@^6.3.1:
+autoprefixer@6.7.5:
+  version "6.7.5"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-6.7.5.tgz#50848f39dc08730091d9495023487e7cc21f518d"
+  dependencies:
+    browserslist "^1.7.5"
+    caniuse-db "^1.0.30000624"
+    normalize-range "^0.1.2"
+    num2fraction "^1.2.2"
+    postcss "^5.2.15"
+    postcss-value-parser "^3.2.3"
+
+autoprefixer@^6.3.1:
   version "6.7.3"
   resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-6.7.3.tgz#bc2c28018e9a226f24f0ded36ce81014dccec817"
   dependencies:
@@ -1017,7 +1028,7 @@ browser-resolve@^1.11.0:
   dependencies:
     resolve "1.1.7"
 
-browserslist@^1.0.1, browserslist@^1.5.2, browserslist@^1.7.2:
+browserslist@^1.0.1, browserslist@^1.5.2, browserslist@^1.7.2, browserslist@^1.7.5:
   version "1.7.5"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-1.7.5.tgz#eca4713897b51e444283241facf3985de49a9e2b"
   dependencies:
@@ -5679,7 +5690,7 @@ postcss@5.2.10:
     source-map "^0.5.6"
     supports-color "^3.1.2"
 
-postcss@^5.0.0, postcss@^5.0.10, postcss@^5.0.11, postcss@^5.0.12, postcss@^5.0.13, postcss@^5.0.14, postcss@^5.0.15, postcss@^5.0.16, postcss@^5.0.2, postcss@^5.0.4, postcss@^5.0.5, postcss@^5.0.8, postcss@^5.2.13:
+postcss@^5.0.0, postcss@^5.0.10, postcss@^5.0.11, postcss@^5.0.12, postcss@^5.0.13, postcss@^5.0.14, postcss@^5.0.15, postcss@^5.0.16, postcss@^5.0.2, postcss@^5.0.4, postcss@^5.0.5, postcss@^5.0.8, postcss@^5.2.13, postcss@^5.2.15:
   version "5.2.15"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-5.2.15.tgz#a9e8685e50e06cc5b3fdea5297273246c26f5b30"
   dependencies: