diff --git a/Gemfile.lock b/Gemfile.lock
index 49c1817..73ee532 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -69,7 +69,7 @@ GEM
     sqlite3 (1.6.0)
       mini_portile2 (~> 2.8.0)
     strscan (3.1.0)
-    test-unit (3.5.7)
+    test-unit (3.6.2)
       power_assert
     timeout (0.4.1)
     tzinfo (2.0.6)