diff --git a/Gemfile.lock b/Gemfile.lock
index 19c8931f..0a59a02f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -176,7 +176,7 @@ GEM
     parser (3.3.0.4)
       ast (~> 2.4.1)
       racc
-    pg (1.5.4)
+    pg (1.5.5)
     psych (5.1.2)
       stringio
     puma (6.4.2)