diff --git a/group_vars/hf-spec-change.example b/group_vars/hf-spec-change.example
index 8bd7788..7667987 100644
--- a/group_vars/hf-spec-change.example
+++ b/group_vars/hf-spec-change.example
@@ -4,4 +4,4 @@ poa_role: "bootnode"
 
 # repo to fetch HFs from
 MAIN_REPO_FETCH: "poanetwork"
-GENESIS_BRANCH: "sokol"
+GENESIS_BRANCH: "core"