diff --git a/Gemfile.lock b/Gemfile.lock
index 21d24e307..60898f3e7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -195,7 +195,7 @@ GEM
     pathutil (0.14.0)
       forwardable-extended (~> 2.6)
     public_suffix (2.0.5)
-    rack (2.0.3)
+    rack (3.0.9.1)
     rack-contrib (1.1.0)
       rack (>= 0.9.1)
     rake (12.0.0)
diff --git a/vendor/cache/rack-2.0.3.gem b/vendor/cache/rack-2.0.3.gem
deleted file mode 100644
index 9c7edc05c..000000000
Binary files a/vendor/cache/rack-2.0.3.gem and /dev/null differ
diff --git a/vendor/cache/rack-3.0.9.1.gem b/vendor/cache/rack-3.0.9.1.gem
new file mode 100644
index 000000000..dcd522a4f
Binary files /dev/null and b/vendor/cache/rack-3.0.9.1.gem differ