diff --git a/Gemfile.lock b/Gemfile.lock
index de6eaca28..5c62fd998 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -279,7 +279,7 @@ GEM
     parser (3.3.5.0)
       ast (~> 2.4.1)
       racc
-    pg (1.5.8)
+    pg (1.5.9)
     premailer (1.27.0)
       addressable
       css_parser (>= 1.19.0)