diff --git a/Gemfile.lock b/Gemfile.lock
index b31de5c9..f91f2685 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -67,7 +67,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     racc (1.6.0)
-    rack (2.2.3)
+    rack (2.2.3.1)
     rack-protection (2.0.7)
       rack
     rack-ssl-enforcer (0.2.9)