diff --git a/examples/deployment/docker/db_server/postgresql/Dockerfile b/examples/deployment/docker/db_server/postgresql/Dockerfile
index e02a3c680f..91e7713c30 100644
--- a/examples/deployment/docker/db_server/postgresql/Dockerfile
+++ b/examples/deployment/docker/db_server/postgresql/Dockerfile
@@ -1,4 +1,4 @@
-FROM postgres:17.7@sha256:4493696c5ba6a9cd4a3303411d5dd6af52cf5e34cdd87ba8ebf26a19735f84d1
+FROM postgres:18.1@sha256:1090bc3a8ccfb0b55f78a494d76f8d603434f7e4553543d6e807bc7bd6bbd17f
 
 # expects the build context to be: $GOPATH/src/github.com/google/trillian
 COPY storage/postgresql/schema/storage.sql /docker-entrypoint-initdb.d/storage.sql