diff --git a/Gemfile.lock b/Gemfile.lock
index 323437f..1baa715 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -42,9 +42,9 @@ GEM
       pry (>= 0.13, < 0.15)
     public_suffix (5.0.1)
     raabro (1.4.0)
-    rack (2.2.8.1)
-    rack-contrib (2.3.0)
-      rack (~> 2.0)
+    rack (3.0.11)
+    rack-contrib (2.5.0)
+      rack (< 4)
     rack-cors (2.0.0)
       rack (>= 2.0.0)
     rack-test (2.0.2)