diff --git a/Gemfile.lock b/Gemfile.lock
index 1d9252abc..b1d708965 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -268,7 +268,7 @@ GEM
       activerecord (~> 4.0)
     parser (2.2.3.0)
       ast (>= 1.1, < 3.0)
-    pg (0.18.3)
+    pg (0.18.4)
     pg_search (1.0.5)
       activerecord (>= 3.1)
       activesupport (>= 3.1)