diff --git a/postgres/Dockerfile b/postgres/Dockerfile
index a41f32f..df8c6c3 100644
--- a/postgres/Dockerfile
+++ b/postgres/Dockerfile
@@ -1,4 +1,4 @@
-FROM postgres:17.8@sha256:1eada89ec2521ae0f61125f6bdaf83bbbf88a43fecda48d112a83bb92df75c36
+FROM postgres:18.2@sha256:b6b4d0b75c699a2c94dfc5a94fe09f38630f3b67ab0e1653ede1b7ac8e13c197
 
 RUN cd /var/lib/postgresql/ && \
     openssl req -new -text -passout pass:abcd -subj /CN=localhost -out server.req -keyout privkey.pem && \