diff --git a/essentials.yml b/essentials.yml
index 6cff27435a..f71618272e 100644
--- a/essentials.yml
+++ b/essentials.yml
@@ -1,7 +1,7 @@
 ---
 ath:
   useLocalSnapshots: false
-  athRevision: "8c3126005c0d5394ed225a5c9f3eab99ab385afe"
-  athImage: "jenkins/ath@sha256:284c2fdfaf1a51e95783126367c0a88c07af83ff9234063d12ba3001959628e8"
+  athRevision: "8f4233a353ba7a751eaf542e4095f243093b2e79"
+  athImage: "jenkins/ath:acceptance-test-harness-1.66"
   tests:
     - "*"