diff --git a/client/Gemfile.lock b/client/Gemfile.lock
index 6e0ab146..6db5d000 100644
--- a/client/Gemfile.lock
+++ b/client/Gemfile.lock
@@ -15,7 +15,7 @@ GEM
     minitest (5.14.2)
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
-    rack (2.2.3)
+    rack (2.2.22)
     rack-protection (2.1.0)
       rack
     rake (13.0.1)