diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 4905fe9b16..c4be664eb6 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -46,8 +46,8 @@ l1:
   public_rpc: https://ethereum-goerli-rpc.allthatnode.com
   explorer: https://goerli.etherscan.io
 
-protocol_versions_addr: null # todo
-superchain_config_addr: null # todo
+protocol_versions_addr: "0x37E15e4d6DFFa9e5E320Ee1eC036922E563CB76C"
+superchain_config_addr: "0x4da82a327773965b8d4D85Fa3dB8249b387458E7"
 EOF
 ```