diff --git a/Gemfile.lock b/Gemfile.lock
index 70773cf8..3a2eac80 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -227,7 +227,7 @@ GEM
       activesupport (>= 3.0.0)
     racc (1.5.2)
     racc (1.5.2-java)
-    rack (2.2.3)
+    rack (2.2.6.3)
     rack-proxy (0.7.0)
       rack
     rack-test (1.1.0)