diff --git a/Gemfile.lock b/Gemfile.lock
index 465f6ae11..75632fd8b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -267,7 +267,7 @@ GEM
     parser (3.2.2.3)
       ast (~> 2.4.1)
       racc
-    pg (1.5.3)
+    pg (1.5.4)
     premailer (1.21.0)
       addressable
       css_parser (>= 1.12.0)