diff --git a/Gemfile.lock b/Gemfile.lock
index 82cc8701e1..483886b2ca 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -718,7 +718,7 @@ GEM
       attr_required (>= 0.0.5)
       httpclient (>= 2.4)
     temple (0.8.2)
-    test-unit (3.5.9)
+    test-unit (3.6.0)
       power_assert
     thor (1.2.2)
     thread-local (1.1.0)