diff --git a/ghost/admin/package.json b/ghost/admin/package.json
index 248ecea4a0..a9411e679d 100644
--- a/ghost/admin/package.json
+++ b/ghost/admin/package.json
@@ -37,7 +37,7 @@
     "broccoli-uglify-js": "0.2.0",
     "chai-jquery": "2.0.0",
     "codemirror": "5.24.2",
-    "coveralls": "2.11.16",
+    "coveralls": "2.12.0",
     "csscomb": "4.0.0",
     "cssnano": "3.10.0",
     "ember-ajax": "2.5.5",
diff --git a/ghost/admin/yarn.lock b/ghost/admin/yarn.lock
index 00d1a61400..a9a46c69e6 100644
--- a/ghost/admin/yarn.lock
+++ b/ghost/admin/yarn.lock
@@ -265,7 +265,7 @@ asynckit@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
 
-autoprefixer@6.7.6:
+autoprefixer@6.7.6, autoprefixer@^6.3.1:
   version "6.7.6"
   resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-6.7.6.tgz#00f05656c7ef73de9d2fd9b4668f6ef6905a855a"
   dependencies:
@@ -276,17 +276,6 @@ autoprefixer@6.7.6:
     postcss "^5.2.15"
     postcss-value-parser "^3.2.3"
 
-autoprefixer@^6.3.1:
-  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"
-
 aws-sign2@~0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.6.0.tgz#14342dd38dbcc94d0e5b87d763cd63612c0e794f"
@@ -1536,9 +1525,9 @@ core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
 
-coveralls@2.11.16:
-  version "2.11.16"
-  resolved "https://registry.yarnpkg.com/coveralls/-/coveralls-2.11.16.tgz#da9061265142ddee954f68379122be97be8ab4b1"
+coveralls@2.12.0:
+  version "2.12.0"
+  resolved "https://registry.yarnpkg.com/coveralls/-/coveralls-2.12.0.tgz#b3d064108e29728385b56e42fc2d119f43e0e517"
   dependencies:
     js-yaml "3.6.1"
     lcov-parse "0.0.10"
@@ -4880,11 +4869,11 @@ minimist@0.0.8, minimist@~0.0.1:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
-minimist@1.1.x:
+minimist@1.1.x, minimist@^1.1.0, minimist@^1.1.1, minimist@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.1.3.tgz#3bedfd91a92d39016fcfaa1c681e8faa1a1efda8"
 
-minimist@1.2.0, minimist@^1.1.0, minimist@^1.1.1, minimist@^1.1.3:
+minimist@1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"