diff --git a/azuredbmock/Dockerfile b/azuredbmock/Dockerfile
index c309cf0..340a213 100644
--- a/azuredbmock/Dockerfile
+++ b/azuredbmock/Dockerfile
@@ -2,7 +2,7 @@
 ## relase ARM64 versions of the image at the moment (they did in the past).
 ## And thus, we have to build the ARM version our selves.
 
-FROM docker.io/postgres:15-bullseye AS postgis
+FROM docker.io/postgres:17-bullseye AS postgis
 
 ENV POSTGIS_MAJOR=3
 ENV POSTGIS_VERSION=3.5.2+dfsg-1.pgdg110+1
diff --git a/mapmatching/Dockerfile b/mapmatching/Dockerfile
index c9f18f5..01e8934 100644
--- a/mapmatching/Dockerfile
+++ b/mapmatching/Dockerfile
@@ -2,7 +2,7 @@
 ## relase ARM64 versions of the image at the moment (they did in the past).
 ## And thus, we have to build the ARM version our selves.
 
-FROM docker.io/postgres:15-bullseye AS postgis
+FROM docker.io/postgres:17-bullseye AS postgis
 
 ENV POSTGIS_MAJOR=3
 ENV POSTGIS_VERSION=3.5.2+dfsg-1.pgdg110+1