diff --git a/.github/workflows/unstable.yml b/.github/workflows/unstable.yml
new file mode 100644
index 0000000000..ef6c073334
--- /dev/null
+++ b/.github/workflows/unstable.yml
@@ -0,0 +1,214 @@
+name: unstable_amd64_build
+
+on:
+  push:
+    branches: [ matrix ]
+
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+
+  generate-jobs:
+    runs-on: ubuntu-20.04
+    outputs:
+      job-strategy-matrix: ${{ steps.generate.outputs.job-strategy-matrix }}
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+          submodules: 'recursive'
+      - name: Checkout CI scripts
+        uses: actions/checkout@v3
+        with:
+          repository: ctu-mrs/ci_scripts
+          ref: master
+          path: .ci_scripts
+          token: ${{ secrets.PUSH_TOKEN }}
+      - id: generate
+        run: |
+          JOB_STRATEGY_MATRIX=$(./.ci/get_build_matrix.sh unstable amd64)
+          echo "::set-output name=job-strategy-matrix::$JOB_STRATEGY_MATRIX"
+
+###### AMD64
+
+  init-artifacts-amd:
+    runs-on: ubuntu-20.04
+    needs: generate-jobs
+    steps:
+      - id: execute
+        run: |
+          mkdir -p /tmp/artifacts
+          touch /tmp/artifacts/test.yaml
+      - name: Save artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: artifacts_amd
+          path: /tmp/artifacts/
+
+  build-job-amd:
+    needs: init-artifacts-amd
+    runs-on: ubuntu-20.04
+    timeout-minutes: 360 # 6 hour timeout
+    strategy:
+      matrix:
+        job: ${{ fromJson(needs.generate-job-strategy-matrix.outputs.job-strategy-matrix) }}
+      max-parallel: 1 # Run jobs serially
+    steps:
+      - name: Load artifacts
+        uses: actions/download-artifact@v3
+        with:
+          name: artifacts_amd
+          path: /tmp/artifacts/
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+          submodules: 'recursive'
+      - name: Checkout CI scripts
+        uses: actions/checkout@v3
+        with:
+          repository: ctu-mrs/ci_scripts
+          ref: master
+          path: .ci_scripts
+          token: ${{ secrets.PUSH_TOKEN }}
+      - id: build
+        run: |
+          .ci/build.sh unstable "${{ matrix.job }}"
+      - name: Save artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: artifacts_amd
+          path: /tmp/artifacts/
+
+  collect_amd_artifacts:
+    runs-on: ubuntu-20.04
+    needs: build-job-amd
+    env:
+      PUSH_TOKEN: ${{ secrets.PUSH_TOKEN }}
+    steps:
+      - name: Load artifacts
+        uses: actions/download-artifact@v3
+        with:
+          name: artifacts_amd
+          path: /tmp/artifacts/
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+          submodules: 'recursive'
+      - name: Checkout CI scripts
+        uses: actions/checkout@v3
+        with:
+          repository: ctu-mrs/ci_scripts
+          ref: master
+          path: .ci_scripts
+          token: ${{ secrets.PUSH_TOKEN }}
+      - name: Deploy
+        run: .ci_scripts/package_build/push_to_ppa.sh unstable /tmp/artifacts
+
+###### ARM64
+
+  init-artifacts-arm:
+    runs-on: ubuntu-20.04
+    needs: generate-jobs
+    steps:
+      - id: execute
+        run: |
+          mkdir -p /tmp/artifacts
+          touch /tmp/artifacts/test.yaml
+      - name: Save artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: artifacts_arm
+          path: /tmp/artifacts/
+
+  build-job-arm:
+    needs: init-artifacts-arm
+    runs-on: ubuntu-20.04
+    timeout-minutes: 360 # 6 hour timeout
+    strategy:
+      matrix:
+        job: ${{ fromJson(needs.generate-job-strategy-matrix.outputs.job-strategy-matrix) }}
+      max-parallel: 1 # Run jobs serially
+    steps:
+      - name: Load artifacts
+        uses: actions/download-artifact@v3
+        with:
+          name: artifacts_arm
+          path: /tmp/artifacts/
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+          submodules: 'recursive'
+      - name: Checkout CI scripts
+        uses: actions/checkout@v3
+        with:
+          repository: ctu-mrs/ci_scripts
+          ref: master
+          path: .ci_scripts
+          token: ${{ secrets.PUSH_TOKEN }}
+      - uses: uraimo/run-on-arch-action@v2
+        name: build
+
+        id: build
+
+        with:
+          arch: aarch64
+          distro: ubuntu-20.04
+
+          githubToken: ${{ github.token }}
+
+          install: |
+            apt-get update -y
+            apt-get install -y sudo git curl
+            echo 'debconf debconf/frontend select Noninteractive' | sudo debconf-set-selections
+
+          # Create an artifacts directory
+          setup: |
+            mkdir -p "/tmp/artifacts"
+            mkdir -p "/tmp/repository"
+
+          # Mount the artifacts directory as /artifacts in the container
+          dockerRunArgs: |
+            --volume "$PWD:/tmp/repository"
+            --volume "/tmp/artifacts:/tmp/artifacts"
+
+          # The shell to run commands with in the container
+          shell: /bin/sh
+
+          # Produce a binary artifact and place it in the mounted volume
+          run: |
+            /tmp/repository/.ci/build.sh unstable "${{ matrix.job }}"
+
+      - name: Save artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: artifacts_arm
+          path: /tmp/artifacts/
+
+  collect-artifacts-arm:
+    runs-on: ubuntu-20.04
+    needs: build-job-arm
+    env:
+      PUSH_TOKEN: ${{ secrets.PUSH_TOKEN }}
+    steps:
+      - name: Load artifacts
+        uses: actions/download-artifact@v3
+        with:
+          name: artifacts_arm
+          path: /tmp/artifacts/
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+          submodules: 'recursive'
+      - name: Checkout CI scripts
+        uses: actions/checkout@v3
+        with:
+          repository: ctu-mrs/ci_scripts
+          ref: master
+          path: .ci_scripts
+          token: ${{ secrets.PUSH_TOKEN }}
+      - name: Deploy
+        run: .ci_scripts/package_build/push_to_ppa.sh unstable /tmp/artifacts
diff --git a/.github/workflows/unstable_amd64.yml b/.github/workflows/unstable_amd64.yml
deleted file mode 100644
index 85944c03c0..0000000000
--- a/.github/workflows/unstable_amd64.yml
+++ /dev/null
@@ -1,107 +0,0 @@
-name: unstable_amd64_build
-
-on:
-  push:
-    branches: [ matrix ]
-
-  workflow_dispatch:
-
-concurrency:
-  group: ${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-
-  establish_artifacts:
-    runs-on: ubuntu-20.04
-    steps:
-      - id: execute
-        run: |
-          mkdir -p /tmp/artifacts
-          touch /tmp/artifacts/test.yaml
-      - name: Save artifacts
-        uses: actions/upload-artifact@v3
-        with:
-          name: artifacts
-          path: /tmp/artifacts/
-
-  generate-jobs:
-    needs: establish_artifacts
-    runs-on: ubuntu-20.04
-    outputs:
-      job-strategy-matrix: ${{ steps.generate.outputs.job-strategy-matrix }}
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-          submodules: 'recursive'
-      - name: Checkout CI scripts
-        uses: actions/checkout@v3
-        with:
-          repository: ctu-mrs/ci_scripts
-          ref: master
-          path: .ci_scripts
-          token: ${{ secrets.PUSH_TOKEN }}
-      - id: generate
-        run: |
-          JOB_STRATEGY_MATRIX=$(./.ci/get_build_matrix.sh unstable amd64)
-          echo "::set-output name=job-strategy-matrix::$JOB_STRATEGY_MATRIX"
-
-  build-job:
-    needs: generate-jobs
-    runs-on: ubuntu-20.04
-    timeout-minutes: 360 # 6 hour timeout
-    strategy:
-      matrix:
-        job: ${{ fromJson(needs.generate-job-strategy-matrix.outputs.job-strategy-matrix) }}
-      max-parallel: 1 # Run jobs serially
-    steps:
-      - name: Load artifacts
-        uses: actions/download-artifact@v3
-        with:
-          name: artifacts
-          path: /tmp/artifacts/
-      - uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-          submodules: 'recursive'
-      - name: Checkout CI scripts
-        uses: actions/checkout@v3
-        with:
-          repository: ctu-mrs/ci_scripts
-          ref: master
-          path: .ci_scripts
-          token: ${{ secrets.PUSH_TOKEN }}
-      - id: build
-        run: |
-          .ci/build.sh unstable "${{ matrix.job }}"
-      - name: Save artifacts
-        uses: actions/upload-artifact@v3
-        with:
-          name: artifacts
-          path: /tmp/artifacts/
-
-  collect_artifacts:
-    runs-on: ubuntu-20.04
-    needs: build-job
-    env:
-      PUSH_TOKEN: ${{ secrets.PUSH_TOKEN }}
-    steps:
-      - name: Load artifacts
-        uses: actions/download-artifact@v3
-        with:
-          name: artifacts
-          path: /tmp/artifacts/
-      - uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-          submodules: 'recursive'
-      - name: Checkout CI scripts
-        uses: actions/checkout@v3
-        with:
-          repository: ctu-mrs/ci_scripts
-          ref: master
-          path: .ci_scripts
-          token: ${{ secrets.PUSH_TOKEN }}
-      - name: Deploy
-        run: .ci_scripts/package_build/push_to_ppa.sh unstable /tmp/artifacts