diff --git a/Gemfile.lock b/Gemfile.lock
index 5779c2f26..a2736ce90 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -376,7 +376,7 @@ GEM
     parser (3.3.4.0)
       ast (~> 2.4.1)
       racc
-    pg (1.5.6)
+    pg (1.5.8)
     pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)