diff --git a/Gemfile.lock b/Gemfile.lock
index 15b11dc44..950abaf7a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -105,7 +105,7 @@ GEM
     sync (0.5.0)
     term-ansicolor (1.7.1)
       tins (~> 1.0)
-    test-unit (3.3.5)
+    test-unit (3.3.6)
       power_assert
     thor (1.0.1)
     tins (1.25.0)