diff --git a/images/cnpg/Dockerfile b/images/cnpg/Dockerfile
index f018cfb2..9211ed0a 100644
--- a/images/cnpg/Dockerfile
+++ b/images/cnpg/Dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/cloudnative-pg/postgis:16-3.6-system-trixie@sha256:1d871eb7e7641c655fbe0861ee5f84092af13699678f896479a07e11b4c560da AS base
+FROM ghcr.io/cloudnative-pg/postgis:18-3.6-system-trixie@sha256:130cbb8595424af4f3d8e2dbd9c7ff76b59f545a17f0904daaee4358745987bc AS base
 
 ARG PG_MAJOR=16