diff --git a/Gemfile.lock b/Gemfile.lock
index 27ce4cb..63a537c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -144,7 +144,7 @@ GEM
       pry (>= 0.10.4)
     public_suffix (4.0.3)
     puma (3.12.4)
-    rack (2.2.2)
+    rack (2.2.6.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.1.7)