diff --git a/Gemfile.lock b/Gemfile.lock
index bf00d91..9c61fa2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -66,7 +66,7 @@ GEM
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    rack (2.2.3)
+    rack (2.2.3.1)
     rainbow (3.0.0)
     rake (12.3.3)
     redis (4.2.5)