diff --git a/test/Gemfile.lock b/test/Gemfile.lock
index f63b39f..97526ef 100644
--- a/test/Gemfile.lock
+++ b/test/Gemfile.lock
@@ -4,7 +4,7 @@ GEM
     daemons (1.2.5)
     eventmachine (1.2.5)
     mustermann (1.0.1)
-    rack (2.0.3)
+    rack (2.0.8)
     rack-protection (2.0.0)
       rack
     rake (12.3.0)