diff --git a/postgres/Dockerfile b/postgres/Dockerfile
index 38b703d..ff0f915 100644
--- a/postgres/Dockerfile
+++ b/postgres/Dockerfile
@@ -1,4 +1,4 @@
-FROM postgres:17.7@sha256:dca7512acaa113409df7e40d977d801e53c0c8088e45d4311a45b4065ccfdcd3
+FROM postgres:18.1@sha256:1090bc3a8ccfb0b55f78a494d76f8d603434f7e4553543d6e807bc7bd6bbd17f
 
 RUN cd /var/lib/postgresql/ && \
     openssl req -new -text -passout pass:abcd -subj /CN=localhost -out server.req -keyout privkey.pem && \