diff --git a/Gemfile b/Gemfile
index 652c63d88..228c04012 100644
--- a/Gemfile
+++ b/Gemfile
@@ -56,7 +56,7 @@ gem "rack-cors", "0.4.0", require: "rack/cors"
 gem "bootstrap-sass", "2.3.2.2"
 gem "compass-rails",  "2.0.4"
 gem "sass-rails",     "5.0.1"
-gem "autoprefixer-rails", "5.2.1"
+gem "autoprefixer-rails", "5.2.1.1"
 
 # Database
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 498ebd7d2..9b9e96d6a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -57,7 +57,7 @@ GEM
     ast (2.0.0)
     astrolabe (1.3.0)
       parser (>= 2.2.0.pre.3, < 3.0)
-    autoprefixer-rails (5.2.1)
+    autoprefixer-rails (5.2.1.1)
       execjs
       json
     backbone-on-rails (1.2.0.0)
@@ -751,7 +751,7 @@ DEPENDENCIES
   acts_as_api (= 0.4.2)
   addressable (= 2.3.8)
   asset_sync (= 1.1.0)
-  autoprefixer-rails (= 5.2.1)
+  autoprefixer-rails (= 5.2.1.1)
   backbone-on-rails (= 1.2.0.0)
   bootstrap-sass (= 2.3.2.2)
   capybara (= 2.4.4)