diff --git a/contrib/dres_rails/Gemfile.lock b/contrib/dres_rails/Gemfile.lock
index fd6be18f3d..f6985d56dc 100644
--- a/contrib/dres_rails/Gemfile.lock
+++ b/contrib/dres_rails/Gemfile.lock
@@ -263,7 +263,6 @@ DEPENDENCIES
   mutant-rspec (= 0.11.22)
   pg
   rails_event_store!
-  rails_event_store_active_record!
   rake (>= 10.0)
   rspec (~> 3.6)
   rspec-rails