diff --git a/Gemfile.lock b/Gemfile.lock
index c5dbfb9..4413502 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -39,7 +39,7 @@ GEM
     pry (0.14.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    rack (2.2.3)
+    rack (2.2.6.3)
     rack-contrib (2.3.0)
       rack (~> 2.0)
     rack-parser (0.7.0)