diff --git a/Gemfile.lock b/Gemfile.lock
index e9f27dc..50878ba 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -213,7 +213,8 @@ GEM
     parser (3.3.8.0)
       ast (~> 2.4.1)
       racc
-    pg (1.5.9)
+    pg (1.6.3-arm64-darwin)
+    pg (1.6.3-x86_64-linux)
     postmark (1.25.1)
       json
     pp (0.6.2)