diff --git a/Gemfile.lock b/Gemfile.lock
index 326a8165..789c56a3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -140,7 +140,7 @@ GEM
     parser (3.1.1.0)
       ast (~> 2.4.1)
     parslet (2.0.0)
-    pg (1.3.4)
+    pg (1.4.2)
     pry (0.14.1)
       coderay (~> 1.1)
       method_source (~> 1.0)