diff --git a/Gemfile.lock b/Gemfile.lock
index 7bca905dc..ceecc6ba9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -46,7 +46,7 @@ GEM
       activerecord (>= 4.2)
     active_record_union (1.3.0)
       activerecord (>= 4.0)
-    active_utils (3.3.17)
+    active_utils (3.3.18)
       activesupport (>= 4.2)
       i18n
     activejob (6.0.4.1)