diff --git a/site-cookbooks/kosmos_redis/metadata.rb b/site-cookbooks/kosmos_redis/metadata.rb
index c5ee33b..a1a68ae 100644
--- a/site-cookbooks/kosmos_redis/metadata.rb
+++ b/site-cookbooks/kosmos_redis/metadata.rb
@@ -6,7 +6,7 @@ maintainer_email "mail@kosmos.org"
 license "MIT"
 description "redisio wrapper cookbook"
 version "0.2.0"
-chef_version "~> 18.0" # apt_repository resource
+chef_version ">= 18.0" # apt_repository resource
 
 depends "redisio"
 depends "backup"