diff --git a/Gemfile.lock b/Gemfile.lock
index 98c7c86..d6cf1d9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1348,7 +1348,7 @@ GEM
     prettier (1.5.5)
     public_suffix (4.0.6)
     racc (1.5.2)
-    rack (2.2.3)
+    rack (2.2.3.1)
     rack-cache (1.12.1)
       rack (>= 0.4)
     rack-protection (2.1.0)