diff --git a/Gemfile.lock b/Gemfile.lock
index 79a588f..8116283 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -284,7 +284,7 @@ GEM
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
     sqlite3 (1.3.13)
-    test-unit (3.2.3)
+    test-unit (3.2.4)
       power_assert
     therubyracer (0.12.3)
       libv8 (~> 3.16.14.15)