diff --git a/ci/README.md b/ci/README.md
index 638ff4a55..f978fc2c1 100644
--- a/ci/README.md
+++ b/ci/README.md
@@ -163,12 +163,12 @@ The build_sdcard.sh is downloaded from the source branch and built with the opti
 The github workflow is running the job in an ubuntu-22.04 image.
 
 The amd64 image is built with running a qemu VM
-* installs the base OS (Debian 11.5)
+* installs the base OS (Debian)
 * connects with ssh and runs the scripts including the build_sdcard.sh
 
-The arm64-rpi image genenaration runs in Docker in github actions and without Docker locally.
-* the base image (RasberryOS) is started in the qemu VM
-* packer runs the build_sdcard.sh directly in the VM
+The arm64-rpi image generation runs in Docker in github actions and without Docker locally.
+* the base image (RaspberryOS) is started in the qemu VM
+* Packer runs the build_sdcard.sh directly in the VM
 
 After the image is built (and there is no exit with errors) the next steps are:
 * compute checksum of the qemu/raw image
diff --git a/ci/amd64/packer.build.amd64-debian.sh b/ci/amd64/packer.build.amd64-debian.sh
index 37d2868c1..6118ed5e3 100644
--- a/ci/amd64/packer.build.amd64-debian.sh
+++ b/ci/amd64/packer.build.amd64-debian.sh
@@ -11,27 +11,11 @@ sudo apt-get install -y packer
 echo -e "\nInstalling qemu..."
 sudo apt-get install -y qemu-system
 
-if [ $# -gt 0 ]; then
-  pack=$1
-else
-  pack=lean
-fi
-
-if [ $# -gt 1 ]; then
-  github_user=$2
-else
-  github_user=rootzoll
-fi
-
-if [ $# -gt 2 ]; then
-  branch=$3
-else
-  branch=dev
-fi
+# set vars
+source ../set_variables.sh
+set_variables "$@"
 
 # Build the image
 echo -e "\nBuilding image..."
 cd debian
-PACKER_LOG=1 packer build \
- --var pack=${pack} --var github_user=${github_user} --var branch=${branch}  \
- -only=qemu amd64-debian.json
+PACKER_LOG=1 packer build ${vars} -only=qemu amd64-debian.json
diff --git a/ci/arm64-rpi/packer.build.arm64-rpi.local.sh b/ci/arm64-rpi/packer.build.arm64-rpi.local.sh
index f64659773..20c2477a8 100644
--- a/ci/arm64-rpi/packer.build.arm64-rpi.local.sh
+++ b/ci/arm64-rpi/packer.build.arm64-rpi.local.sh
@@ -1,6 +1,6 @@
 #!/bin/bash -e
 
-echo "\n# Install dependencies with apt"
+echo -e "\n# Install dependencies with apt"
 if [ "$(uname -n)" = "ubuntu" ]; then
   sudo add-apt-repository -y universe
 fi
@@ -36,44 +36,33 @@ fi
 
 echo -e "\n# Install Go"
 export PATH=$PATH:/usr/local/go/bin
-if ! go version 2>/dev/null | grep "1.18.9"; then
-  wget --progress=bar:force https://go.dev/dl/go1.18.9.linux-amd64.tar.gz
-  echo "015692d2a48e3496f1da3328cf33337c727c595011883f6fc74f9b5a9c86ffa8 go1.18.9.linux-amd64.tar.gz" | sha256sum -c - || exit 1
-  sudo rm -rf /usr/local/go && sudo tar -C /usr/local -xzf go1.18.9.linux-amd64.tar.gz
-  sudo rm -rf go1.18.9.linux-amd64.tar.gz
+# https://go.dev/dl/
+GOVERSION="1.20.6"
+GOHASH="b945ae2bb5db01a0fb4786afde64e6fbab50b67f6fa0eb6cfa4924f16a7ff1eb"
+if ! go version 2>/dev/null | grep "${GOVERSION}"; then
+  wget --progress=bar:force https://go.dev/dl/go${GOVERSION}.linux-amd64.tar.gz
+  echo "${GOHASH} go${GOVERSION}.linux-amd64.tar.gz" | sha256sum -c - || exit 1
+  sudo rm -rf /usr/local/go && sudo tar -C /usr/local -xzf go${GOVERSION}.linux-amd64.tar.gz
+  sudo rm -rf go${GOVERSION}.linux-amd64.tar.gz
 else
-  echo "# Go 1.18.9 is installed"
+  echo "# Go ${GOVERSION} is installed"
 fi
 
 echo -e "\n# Download the packer-builder-arm plugin"
 git clone https://github.com/mkaczanowski/packer-builder-arm
 cd packer-builder-arm
-# pin to commit hash https://github.com/mkaczanowski/packer-builder-arm/commits/master
-git reset --hard 6636c687ece53f7d1f5f2b35aa41f0e6132949c4
+# https://github.com/mkaczanowski/packer-builder-arm/releases
+git reset --hard "v1.0.7"
 echo -e "\n# Build the packer-builder-arm plugin"
 go mod download
 go build || exit 1
 
-if [ $# -gt 0 ]; then
-  pack=$1
-else
-  pack=lean
-fi
-
-if [ $# -gt 1 ]; then
-  github_user=$2
-else
-  github_user=rootzoll
-fi
-
-if [ $# -gt 2 ]; then
-  branch=$3
-else
-  branch=dev
-fi
+# set vars
+source ../set_variables.sh
+set_variables "$@"
 
 cp ../arm64-rpi.pkr.hcl ./
 cp ../raspiblitz.sh ./
 
 echo -e "\n# Build the image"
-packer build -var github_user=${github_user} -var branch=${branch} -var pack=${pack} arm64-rpi.pkr.hcl
+packer build ${vars} arm64-rpi.pkr.hcl
diff --git a/ci/arm64-rpi/packer.build.arm64-rpi.sh b/ci/arm64-rpi/packer.build.arm64-rpi.sh
index c627a0ca3..8e13bc148 100644
--- a/ci/arm64-rpi/packer.build.arm64-rpi.sh
+++ b/ci/arm64-rpi/packer.build.arm64-rpi.sh
@@ -1,53 +1,12 @@
 #!/bin/bash -e
 
-if [ $# -gt 0 ]; then
-  pack=$1
-fi
-
-if [ $# -gt 1 ]; then
-  github_user=$2
-fi
-
-if [ $# -gt 2 ]; then
-  branch=$3
-fi
-
-if [ $# -gt 4 ]; then
-  image_link="$4"
-  image_checksum="$5"
-fi
-
-# Initialize the variables string
-vars=""
-
-# Add the pack variable if it is defined
-if [ -n "${pack}" ]; then
-  vars="$vars -var pack=${pack}"
-fi
-
-# Add the github_user variable if it is defined
-if [ -n "${github_user}" ]; then
-  vars="$vars -var github_user=${github_user}"
-fi
-
-# Add the branch variable if it is defined
-if [ -n "${branch}" ]; then
-  vars="$vars -var branch=${branch}"
-fi
-
-# Add the image_link variable if it is defined
-if [ -n "${image_link}" ]; then
-  vars="$vars -var image_link=${image_link}"
-fi
-
-# Add the image_checksum variable if it is defined
-if [ -n "${image_checksum}" ]; then
-  vars="$vars -var image_checksum=${image_checksum}"
-fi
+# set vars
+source ../set_variables.sh
+set_variables "$@"
 
 # Build the image in docker
 echo -e "\nBuild Packer image..."
 # from https://hub.docker.com/r/mkaczanowski/packer-builder-arm/tags
 docker run --rm --privileged -v /dev:/dev -v ${PWD}:/build \
-  mkaczanowski/packer-builder-arm:1.0.6@sha256:ca758415f498e6d4a1d7e82380d6f166d97262cb44af624ff586e6a6c96ad795 \
+  mkaczanowski/packer-builder-arm@sha256:0ff8ce0cf33e37be6c351c8bcb2643835c7f3525b7f591808b91c04238d45695 \
   build ${vars} arm64-rpi.pkr.hcl
diff --git a/ci/set_variables.sh b/ci/set_variables.sh
new file mode 100644
index 000000000..3e9e42372
--- /dev/null
+++ b/ci/set_variables.sh
@@ -0,0 +1,46 @@
+function set_variables() {
+  if [ $# -gt 0 ]; then
+    pack=$1
+  fi
+
+  if [ $# -gt 1 ]; then
+    github_user=$2
+  fi
+
+  if [ $# -gt 2 ]; then
+    branch=$3
+  fi
+
+  if [ $# -gt 4 ]; then
+    image_link="$4"
+    image_checksum="$5"
+  fi
+
+  # Initialize the variables string
+  vars=""
+
+  # Add the pack variable if it is defined
+  if [ -n "${pack}" ]; then
+    vars="$vars -var pack=${pack}"
+  fi
+
+  # Add the github_user variable if it is defined
+  if [ -n "${github_user}" ]; then
+    vars="$vars -var github_user=${github_user}"
+  fi
+
+  # Add the branch variable if it is defined
+  if [ -n "${branch}" ]; then
+    vars="$vars -var branch=${branch}"
+  fi
+
+  # Add the image_link variable if it is defined
+  if [ -n "${image_link}" ]; then
+    vars="$vars -var image_link=${image_link}"
+  fi
+
+  # Add the image_checksum variable if it is defined
+  if [ -n "${image_checksum}" ]; then
+    vars="$vars -var image_checksum=${image_checksum}"
+  fi
+}