diff --git a/Gemfile.lock b/Gemfile.lock
index aaa6fc7a504..05e8909798b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1932,7 +1932,7 @@ GEM
       cliver (~> 0.3.2)
       safe_shell (>= 1.0.3, < 2.0)
     pdfkit (0.8.7.2)
-    pg (1.1.4)
+    pg (1.5.6)
     pluck_to_hash (1.0.2)
       activerecord (>= 4.0.2)
       activesupport (>= 4.0.2)