diff --git a/Gemfile.lock b/Gemfile.lock
index 1b6292f..2e6e2f4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,11 +1,9 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    git-version-bump (0.15.1)
     rack (1.6.12)
-    rack-contrib (1.4.0)
-      git-version-bump (~> 0.15)
-      rack (~> 1.4)
+    rack-contrib (2.5.0)
+      rack (< 4)
 
 PLATFORMS
   ruby