diff --git a/Gemfile.lock b/Gemfile.lock
index d85afea..66f72d7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -22,7 +22,7 @@ GEM
     http-parser (1.2.1)
       ffi-compiler (>= 1.0, < 2.0)
     public_suffix (4.0.6)
-    rack (2.2.3)
+    rack (2.2.6.4)
     rake (13.0.1)
     thin (1.7.2)
       daemons (~> 1.0, >= 1.0.9)