diff --git a/Gemfile.lock b/Gemfile.lock
index c25b331d..2c3c27d0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -117,7 +117,7 @@ GEM
       pry (~> 0.11)
       yard (~> 0.9.11)
     public_suffix (5.0.0)
-    rack (2.2.4)
+    rack (2.2.6.4)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)