diff --git a/test/e2e/networks/ci.toml b/test/e2e/networks/ci.toml
index 7e07febd5..9931aee02 100644
--- a/test/e2e/networks/ci.toml
+++ b/test/e2e/networks/ci.toml
@@ -34,6 +34,7 @@ perturb = ["restart"]
 [node.validator01]
 perturb = ["disconnect"]
 seeds = ["seed01"]
+block_sync = "v0"
 snapshot_interval = 5
 
 [node.validator02]