diff --git a/Gemfile.lock b/Gemfile.lock
index c3dd8b004..997fea703 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -44,6 +44,7 @@ DEPENDENCIES
   dm-migrations
   dm-sqlite-adapter
   erubis
+  eventmachine (= 0.12.10)
   json
   msfrpc-client
   parseconfig