diff --git a/.github/workflows/build-release.yml b/.github/workflows/build-release.yml
new file mode 100644
index 00000000..3c4f3117
--- /dev/null
+++ b/.github/workflows/build-release.yml
@@ -0,0 +1,92 @@
+name: Build Release
+
+on:
+  workflow_call:
+    inputs:
+      version:
+        required: true
+        type: string
+      use_cache:
+        required: false
+        type: boolean
+        default: true
+
+jobs:
+  build:
+    name: Build Infix ${{ inputs.version }} [${{ matrix.target }}]
+    runs-on: [ self-hosted, release ]
+    strategy:
+      matrix:
+        target: [aarch64, x86_64]
+      fail-fast: false
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          clean: true
+          submodules: recursive
+
+      - name: Set Release Variables
+        id: vars
+        run: |
+          ver=${{ inputs.version }}
+          echo "ver=${ver}" >> $GITHUB_OUTPUT
+          fver=${ver#v}
+          target=${{ matrix.target }}-${fver}
+          echo "dir=infix-$target"        >> $GITHUB_OUTPUT
+          echo "tgz=infix-$target.tar.gz" >> $GITHUB_OUTPUT
+
+      - name: Restore Cache of dl/
+        if: ${{ inputs.use_cache }}
+        uses: actions/cache@v4
+        with:
+          path: dl/
+          key: dl-${{ hashFiles('.git/modules/buildroot/HEAD', 'configs/*', 'package/*/*.hash') }}
+          restore-keys: |
+            dl-
+
+      - name: Restore Cache of .ccache/
+        if: ${{ inputs.use_cache }}
+        uses: actions/cache@v4
+        with:
+          path: .ccache/
+          key: ccache-${{ matrix.target }}-${{ hashFiles('.git/modules/buildroot/HEAD', 'package/*/*.hash') }}
+          restore-keys: |
+            ccache-${{ matrix.target }}-
+            ccache-
+
+      - name: Configure & Build
+        env:
+          INFIX_RELEASE: ${{ steps.vars.outputs.ver }}
+        run: |
+          target=${{ matrix.target }}_defconfig
+          echo "Building $target ..."
+          make $target
+          make
+
+      - name: Generate SBOM from Build
+        run: |
+          make legal-info
+
+      - name: Build test specification
+        run: |
+          make test-spec
+
+      - name: Prepare Artifacts
+        run: |
+          cd output/
+          mv images ${{ steps.vars.outputs.dir }}
+          ln -s ${{ steps.vars.outputs.dir }} images
+          tar cfz ${{ steps.vars.outputs.tgz }} ${{ steps.vars.outputs.dir }}
+
+          mv legal-info legal-info-${{ matrix.target }}-${{ steps.vars.outputs.ver }}
+          tar cfz legal-info-${{ matrix.target }}-${{ steps.vars.outputs.ver }}.tar.gz legal-info-${{ matrix.target }}-${{ steps.vars.outputs.ver }}
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: artifact-${{ matrix.target }}
+          path: output/*.tar.gz
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: artifact-disk-image-${{ matrix.target }}
+          path: output/images/*.qcow2
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ea785456..c7409601 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -18,87 +18,27 @@ on:
         type: string
 
 jobs:
-  build:
+  set-version:
     if: github.repository == 'kernelkit/infix' && startsWith(github.ref, 'refs/tags/')
-    name: Build Infix ${{ github.ref_name }} [${{ matrix.target }}]
-    runs-on: [ self-hosted, release ]
-    strategy:
-      matrix:
-        target: [aarch64, x86_64]
-      fail-fast: false
+    runs-on: ubuntu-latest
+    outputs:
+      version: ${{ steps.set-ver.outputs.version }}
     steps:
-      - uses: actions/checkout@v4
-        with:
-          clean: true
-          submodules: recursive
-
-      - name: Set Release Variables
-        id: vars
+      - id: set-ver
         run: |
           if [ -n "${{ inputs.version }}" ]; then
               ver=${{ inputs.version }}
           else
               ver=${GITHUB_REF#refs/tags/}
           fi
-          echo "ver=${ver}" >> $GITHUB_OUTPUT
-          fver=${ver#v}
-          target=${{ matrix.target }}-${fver}
-          echo "dir=infix-$target"        >> $GITHUB_OUTPUT
-          echo "tgz=infix-$target.tar.gz" >> $GITHUB_OUTPUT
+          echo "version=${ver}" >> $GITHUB_OUTPUT
 
-      - name: Restore Cache of dl/
-        uses: actions/cache@v4
-        with:
-          path: dl/
-          key: dl-${{ hashFiles('.git/modules/buildroot/HEAD', 'configs/*', 'package/*/*.hash') }}
-          restore-keys: |
-            dl-
-
-      - name: Restore Cache of .ccache/
-        uses: actions/cache@v4
-        with:
-          path: .ccache/
-          key: ccache-${{ matrix.target }}-${{ hashFiles('.git/modules/buildroot/HEAD', 'package/*/*.hash') }}
-          restore-keys: |
-            ccache-${{ matrix.target }}-
-            ccache-
-
-      - name: Configure & Build
-        env:
-          INFIX_RELEASE: ${{ steps.vars.outputs.ver }}
-        run: |
-          target=${{ matrix.target }}_defconfig
-          echo "Building $target ..."
-          make $target
-          make
-
-      - name: Generate SBOM from Build
-        run: |
-          make legal-info
-
-      - name: Build test specification
-        run: |
-          make test-spec
-
-      - name: Prepare Artifacts
-        run: |
-          cd output/
-          mv images ${{ steps.vars.outputs.dir }}
-          ln -s ${{ steps.vars.outputs.dir }} images
-          tar cfz ${{ steps.vars.outputs.tgz }} ${{ steps.vars.outputs.dir }}
-
-          mv legal-info legal-info-${{ matrix.target }}-${{ steps.vars.outputs.ver }}
-          tar cfz legal-info-${{ matrix.target }}-${{ steps.vars.outputs.ver }}.tar.gz legal-info-${{ matrix.target }}-${{ steps.vars.outputs.ver }}
-
-      - uses: actions/upload-artifact@v4
-        with:
-          name: artifact-${{ matrix.target }}
-          path: output/*.tar.gz
-
-      - uses: actions/upload-artifact@v4
-        with:
-          name: artifact-disk-image-${{ matrix.target }}
-          path: output/images/*.qcow2
+  build:
+    needs: set-version
+    uses: ./.github/workflows/build-release.yml
+    with:
+      version: ${{ needs.set-version.outputs.version }}
+      use_cache: true
 
   release:
     name: Release Infix ${{ github.ref_name }}
diff --git a/.github/workflows/weekly.yml b/.github/workflows/weekly.yml
new file mode 100644
index 00000000..e02ef647
--- /dev/null
+++ b/.github/workflows/weekly.yml
@@ -0,0 +1,68 @@
+# Weekly release build to catch flaky tests and verify clean builds.
+# Runs without caches (ccache) to ensure reproducibility. See issue #1003.
+name: Weekly Build
+
+on:
+  schedule:
+    - cron: '5 0 * * 6'  # Saturday at 00:05 UTC, same as Coverity
+  workflow_dispatch:
+
+jobs:
+  build:
+    if: github.repository == 'kernelkit/infix'
+    uses: ./.github/workflows/build-release.yml
+    with:
+      version: "latest"
+      use_cache: false
+
+  publish:
+    name: Publish Weekly Build
+    needs: build
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          pattern: "artifact-*"
+          merge-multiple: true
+
+      - name: Create checksums
+        run: |
+          for file in *.tar.gz; do
+            sha256sum $file > $file.sha256
+          done
+          if ls *.qcow2 &>/dev/null; then
+            for file in *.qcow2; do
+              sha256sum "$file" > "$file.sha256"
+            done
+          fi
+
+      - uses: ncipollo/release-action@v1
+        with:
+          tag: latest
+          name: "Latest Weekly Build"
+          prerelease: true
+          makeLatest: false
+          allowUpdates: true
+          removeArtifacts: true
+          body: |
+            Automated weekly build from `${{ github.sha }}`.
+
+            This build runs without caches to catch potential flaky tests and build issues.
+            Not intended for production use - use official releases instead.
+
+            **Commit:** ${{ github.sha }}
+            **Built:** ${{ github.run_id }}
+          artifacts: "*.tar.gz*,*.qcow2*"
+
+      - name: Summary
+        run: |
+          cat <<EOF >> $GITHUB_STEP_SUMMARY
+          # Weekly Build Published! :package:
+
+          Latest artifacts uploaded to:
+           <https://github.com/kernelkit/infix/releases/tag/latest>
+
+          Built from commit: \`${{ github.sha }}\`
+          EOF