diff --git a/Gemfile.lock b/Gemfile.lock
index c24ea5e..04d05ba 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -117,7 +117,7 @@ GEM
       nio4r (~> 2.0)
     racc (1.7.1)
     racc (1.7.1-java)
-    rack (2.2.8)
+    rack (2.2.8.1)
     rack-protection (3.2.0)
       base64 (>= 0.1.0)
       rack (~> 2.2, >= 2.2.4)