diff --git a/Gemfile b/Gemfile
index fb2f7985f..048b17cb9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -65,7 +65,7 @@ group :mysql, optional: true do
   gem "mysql2", "0.4.8"
 end
 group :postgresql, optional: true do
-  gem "pg",     "0.19.0"
+  gem "pg",     "0.21.0"
 end
 
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 5ce65ea69..47457715e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -432,7 +432,7 @@ GEM
     orm_adapter (0.5.0)
     parser (2.4.0.0)
       ast (~> 2.2)
-    pg (0.19.0)
+    pg (0.21.0)
     phantomjs (2.1.1.0)
     poltergeist (1.13.0)
       capybara (~> 2.1)
@@ -822,7 +822,7 @@ DEPENDENCIES
   omniauth-wordpress (= 0.2.2)
   open_graph_reader (= 0.6.2)
   openid_connect (= 0.12.0)
-  pg (= 0.19.0)
+  pg (= 0.21.0)
   poltergeist (= 1.13.0)
   pronto (= 0.9.3)
   pronto-eslint (= 0.9.1)