diff --git a/deploy/docker-compose.postgres.yml b/deploy/docker-compose.postgres.yml
index edb30b25..70996231 100644
--- a/deploy/docker-compose.postgres.yml
+++ b/deploy/docker-compose.postgres.yml
@@ -10,7 +10,7 @@
 
 services:
   postgres:
-    image: postgres:16-alpine
+    image: postgres:18-alpine
     environment:
       POSTGRES_DB: ${POSTGRES_DB:-panvex}
       POSTGRES_USER: ${POSTGRES_USER:-panvex}
diff --git a/deploy/docker-compose.prod.yml b/deploy/docker-compose.prod.yml
index 893bbd72..e1d23042 100644
--- a/deploy/docker-compose.prod.yml
+++ b/deploy/docker-compose.prod.yml
@@ -46,7 +46,7 @@ services:
     #     image: postgres:16-alpine@sha256:<...>
     # `docker pull postgres:16-alpine` then `docker inspect ... |
     # jq -r '.[].RepoDigests'` returns the SHA to copy in.
-    image: postgres:16-alpine
+    image: postgres:18-alpine
     environment:
       POSTGRES_DB: ${POSTGRES_DB:-panvex}
       POSTGRES_USER: ${POSTGRES_USER:-panvex}