diff --git a/Gemfile b/Gemfile
index 36f0439f56a5c088770cddfc254d19a612d1ae12..8a7792b0f476b9f320434d582af65dc7511d51c5 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",  "2.0.5"
 gem "sass-rails",     "5.0.4"
-gem "autoprefixer-rails", "6.3.6"
+gem "autoprefixer-rails", "6.3.6.2"
 
 # Database
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 350574f88bbd1e333b71f603fcd481d620ae3927..012a567209f375957d08e9447f7f41beda61227d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -55,7 +55,7 @@ GEM
       fog (>= 1.8.0)
       unf
     ast (2.2.0)
-    autoprefixer-rails (6.3.6)
+    autoprefixer-rails (6.3.6.2)
       execjs
     backbone-on-rails (1.2.0.0)
       eco
@@ -187,7 +187,7 @@ GEM
       ffi (>= 1.3.0)
     eventmachine (1.0.9.1)
     excon (0.49.0)
-    execjs (2.6.0)
+    execjs (2.7.0)
     eye (0.7)
       celluloid (~> 0.16.0)
       celluloid-io (~> 0.16.0)
@@ -803,7 +803,7 @@ DEPENDENCIES
   acts_as_api (= 0.4.2)
   addressable (= 2.3.8)
   asset_sync (= 1.1.0)
-  autoprefixer-rails (= 6.3.6)
+  autoprefixer-rails (= 6.3.6.2)
   backbone-on-rails (= 1.2.0.0)
   bootstrap-sass (= 2.3.2.2)
   capybara (= 2.7.1)