diff --git a/Gemfile.lock b/Gemfile.lock
index 40849d9..6e48b71 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -16,7 +16,7 @@ PATH
       database_cleaner (~> 1.8.0)
       datamapper
       dm-transactions
-    database_cleaner-mongo (1.8.0)
+    database_cleaner-mongo (1.8.1)
       database_cleaner (~> 1.8.0)
       mongo
     database_cleaner-mongo_mapper (1.8.1)