diff --git a/examples/deployment/docker/db_server/postgresql/Dockerfile b/examples/deployment/docker/db_server/postgresql/Dockerfile
index bd5f1736a2..194e293c43 100644
--- a/examples/deployment/docker/db_server/postgresql/Dockerfile
+++ b/examples/deployment/docker/db_server/postgresql/Dockerfile
@@ -1,4 +1,4 @@
-FROM postgres:17.6@sha256:0b6428e8c09651398137d2b3308a6ad87e73ac15fc38729891c16d942e947d3d
+FROM postgres:18.0@sha256:073e7c8b84e2197f94c8083634640ab37105effe1bc853ca4d5fbece3219b0e8
 
 # expects the build context to be: $GOPATH/src/github.com/google/trillian
 COPY storage/postgresql/schema/storage.sql /docker-entrypoint-initdb.d/storage.sql