diff --git a/Gemfile.lock b/Gemfile.lock
index 185dd0e34f..f16b2a3f29 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -646,7 +646,7 @@ GEM
     stripe (7.1.0)
     temple (0.8.2)
     test-prof (1.0.10)
-    test-unit (3.5.3)
+    test-unit (3.5.5)
       power_assert
     thor (1.2.1)
     thread-local (1.1.0)