diff --git a/Gemfile.lock b/Gemfile.lock
index 59678c6..e28cd3b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -36,7 +36,7 @@ GEM
     minitest (5.20.0)
     pg (1.5.4)
     raabro (1.4.0)
-    rack (2.2.8)
+    rack (2.2.8.1)
     rake (13.0.3)
     redis (4.8.1)
     redis-namespace (1.11.0)