diff --git a/Gemfile.lock b/Gemfile.lock
index 57555e6..d45370a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -157,7 +157,7 @@ GEM
     parser (3.3.5.0)
       ast (~> 2.4.1)
       racc
-    pg (1.5.8)
+    pg (1.5.9)
     psych (5.1.2)
       stringio
     public_suffix (6.0.1)