diff --git a/postgres/Dockerfile b/postgres/Dockerfile
index 2aa8675..50bac38 100644
--- a/postgres/Dockerfile
+++ b/postgres/Dockerfile
@@ -1,4 +1,4 @@
-ARG         PGBASE=14
+ARG         PGBASE=17
 FROM        postgres:$PGBASE
 LABEL       maintainer="LedgerSMB devel@lists.ledgersmb.org"