diff --git a/Gemfile.lock b/Gemfile.lock
index dd18cfa..d28d86b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -151,7 +151,7 @@ GEM
       pry (>= 0.10.4)
     public_suffix (4.0.6)
     racc (1.6.1)
-    rack (2.2.4)
+    rack (2.2.6.2)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (5.0.7.2)