diff --git a/docker-compose.yml b/docker-compose.yml
index e2ecc711..91cf02a0 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -72,7 +72,7 @@ services:
       - ci
 
   a3p:
-    image: ghcr.io/agoric/agoric-3-proposals:latest
+    image: ghcr.io/agoric/agoric-3-proposals:use-upgrade-18
     container_name: agd
     ports:
       - 26657:26657