diff --git a/Gemfile.lock b/Gemfile.lock
index 1ae558b..dba52fb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -43,7 +43,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     public_suffix (3.1.1)
-    rack (2.2.3)
+    rack (2.2.6.4)
     rack-protection (2.1.0)
       rack
     rest-client (2.0.2)