diff --git a/Gemfile.lock b/Gemfile.lock
index 83c1bcc..e6fe3ae 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -81,7 +81,7 @@ GEM
       pry (~> 0.13.0)
     public_suffix (4.0.6)
     raabro (1.4.0)
-    rack (2.2.3)
+    rack (2.2.6.2)
     rack-protection (2.1.0)
       rack
     ruby2_keywords (0.0.5)