diff --git a/Gemfile.lock b/Gemfile.lock
index fe8b557..c30e13b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -289,7 +289,7 @@ GEM
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
     sqlite3 (1.3.11)
-    test-unit (3.1.8)
+    test-unit (3.1.9)
       power_assert
     therubyracer (0.12.2)
       libv8 (~> 3.16.14.0)