diff --git a/Gemfile.lock b/Gemfile.lock
index 240eb799..5ca38278 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -86,7 +86,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (3.0.2)
-    rack (2.0.5)
+    rack (2.0.8)
     rack-proxy (0.6.5)
       rack
     rack-test (1.1.0)