diff --git a/Gemfile.lock b/Gemfile.lock
index c9c8f6a16..f7b9d86fe 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -585,7 +585,7 @@ GEM
     telephone_number (1.4.12)
     term-ansicolor (1.7.1)
       tins (~> 1.0)
-    test-unit (3.4.7)
+    test-unit (3.4.9)
       power_assert
     thor (1.1.0)
     thread_safe (0.3.6)