diff --git a/postgres/Dockerfile b/postgres/Dockerfile
index 38b703d..df8c6c3 100644
--- a/postgres/Dockerfile
+++ b/postgres/Dockerfile
@@ -1,4 +1,4 @@
-FROM postgres:17.7@sha256:dca7512acaa113409df7e40d977d801e53c0c8088e45d4311a45b4065ccfdcd3
+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 && \