diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 910d7fecdb5c2164811701b8e101582c8278c9f4..0380bbb0755ce99ea9cf0e3582f150d68b11b07e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,9 +6,9 @@ stages:
   - publish images
 
 variables:
-  RELEASE: "v2022dev1"
-  DISTRO: apertis
-  MIRROR: https://repositories.apertis.org/apertis/
+  RELEASE: "bullseye"
+  DISTRO: debian
+  MIRROR: https://deb.debian.org/debian/
   STABLE: auto
   TEST_TAG: test-${CI_PIPELINE_ID}
 
diff --git a/base/Dockerfile b/base/Dockerfile
index a5ac53e1544ce4de047e9c10e861b48407508246..43fcfbaee550646dff879f8396d6d9e5dc77af1d 100644
--- a/base/Dockerfile
+++ b/base/Dockerfile
@@ -18,7 +18,7 @@
 
 FROM scratch
 
-ARG OSNAME=apertis
+ARG OSNAME=debian
 LABEL description="$OSNAME base image"
 
 ENV LANG=C.UTF-8
diff --git a/base/rootfs.yaml b/base/rootfs.yaml
index 3b84564ed34b807a47d67ef7e0e83a3511cdfc05..3634915b85898768bc8ba62fc5850f29e0435ba2 100644
--- a/base/rootfs.yaml
+++ b/base/rootfs.yaml
@@ -1,10 +1,10 @@
 {{- $architecture := or .architecture "amd64" }}
-{{- $mirror := or .mirror "https://repositories.apertis.org/apertis/" -}}
-{{- $suite := or .suite "v2020dev0" -}}
+{{- $mirror := or .mirror "https://deb.debian.org/debian/" -}}
+{{- $suite := or .suite "bullseye" -}}
 {{- $ospack := or .ospack "rootfs.tar.gz" -}}
 {{- $timestamp := or .timestamp "00000000.0" -}}
 {{- $stable := or .stable "" -}}
-{{- $osname := or .osname "apertis" -}}
+{{- $osname := or .osname "debian" -}}
 
 architecture: {{ $architecture }}
 
@@ -22,15 +22,6 @@ actions:
   - action: overlay
     source: overlay
 
-  - action: run
-    description: "Add extra apt sources"
-    chroot: true
-    script: scripts/apt_source.sh -m {{ $mirror }} -r {{ $suite }} --sources {{if eq $stable "true"}} --updates --security {{end}} target hmi development sdk
-
-  - action: run
-    chroot: true
-    script: scripts/replace-gplv2-packages-for-dev-env.sh
-
   - action: run
     description: "Setting up image version metadata"
     chroot: true