diff --git a/Gemfile.lock b/Gemfile.lock
index 0f7f2c5..0d2ba47 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -196,7 +196,7 @@ GEM
     parallel (1.12.1)
     parser (2.4.0.2)
       ast (~> 2.3)
-    pg (0.21.0)
+    pg (1.0.0)
     poltergeist (1.17.0)
       capybara (~> 2.1)
       cliver (~> 0.3.1)