diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5107ec3..6984f1a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -75,9 +75,9 @@ jobs:
         run: |
           bash bin/build-packer.sh
 
-      - name: Download raspios iso
+      - name: Download raspberrypios oldstable 32 bits iso
         run: |
-          wget -nv https://downloads.raspberrypi.org/raspios_lite_armhf/images/raspios_lite_armhf-2021-05-28/2021-05-07-raspios-buster-armhf-lite.zip
+          wget -nv https://downloads.raspberrypi.com/raspios_oldstable_lite_armhf/images/raspios_oldstable_lite_armhf-2024-10-28/2024-10-22-raspios-bullseye-armhf-lite.img.xz
 
       - name: build pimba image
         run: |
diff --git a/.gitignore b/.gitignore
index 873348b..4c69b59 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 *.zip
 *.img
+*.img.xz
 packer_cache/
 .DS_Store
diff --git a/packer.json b/packer.json
index 7f0216c..cdaaeb3 100644
--- a/packer.json
+++ b/packer.json
@@ -4,8 +4,8 @@
   },
   "builders": [{
     "type": "arm-image",
-    "iso_url" : "2021-05-07-raspios-buster-armhf-lite.zip",
-    "iso_checksum" : "c5dad159a2775c687e9281b1a0e586f7471690ae28f2f2282c90e7d59f64273c",
+    "iso_url" : "2024-10-22-raspios-bullseye-armhf-lite.img.xz",
+    "iso_checksum" : "45dd65d579ec2b106a1e3181032144406eab61df892fcd2da8d83382fa4f7e51",
     "target_image_size" : 5368709120,
     "output_filename" : "/tmp/image",
     "mount_path": "{{ user `img_mount_path` }}"
diff --git a/playbook.yaml b/playbook.yaml
index d5ca38d..ab1a078 100755
--- a/playbook.yaml
+++ b/playbook.yaml
@@ -3,7 +3,7 @@
   gather_facts: yes
   become: yes
   vars:
-    debian_distro: buster
+    debian_distro: bullseye
   tasks:
     - include_tasks: tasks/ini2env.yaml
     - include_tasks: tasks/pimusicbox.yaml
diff --git a/test.json b/test.json
index 54f53bb..0196fe3 100644
--- a/test.json
+++ b/test.json
@@ -41,9 +41,9 @@
       "inline": [
         "apt-get update",
         "apt-get install -y ruby",
-        "gem install net-ssh --no-ri --no-rdoc -v 6.1.0",
-        "gem install rspec-its --no-ri --no-rdoc -v 1.3.1",
-        "gem install serverspec --no-ri --no-rdoc -v 2.41.8",
+        "gem install net-ssh -N -v 6.1.0",
+        "gem install rspec-its -N -v 1.3.1",
+        "gem install serverspec -N -v 2.41.8",
         "cd /tmp/serverspec && rake spec"
       ]
     }