diff --git a/ath.sh b/ath.sh
index 02dce576c7..78b06e93db 100644
--- a/ath.sh
+++ b/ath.sh
@@ -6,7 +6,7 @@ set -o xtrace
 cd "$(dirname "$0")"
 
 # https://github.com/jenkinsci/acceptance-test-harness/releases
-export ATH_VERSION=6612.v3a_89b_e635014
+export ATH_VERSION=6636.v677593f07fa_6
 
 if [[ $# -eq 0 ]]; then
 	export JDK=21