diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5c6f98e76..9fc374440 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -48,24 +48,28 @@ jobs:
           cache-dependency-path: 'requirements.txt'
 
       - name: Install dependencies
-        run: python -m pip install -r requirements.txt
+        run: python -m pip install -r requirements.txt pypyp
 
       - name: Build Packages
         run: python compile_packages.py --confirm --overwrite --zip "" "packages/"
 
-      - name: Packages upload (tag)
-        uses: actions/upload-artifact@v4
+      - name: Calc Name (tag)
         if: github.event_name == 'create'
-        with:
-          name: beemod2_${{ github.event.ref }}_packages
-          path: ./zips/
-          if-no-files-found: error
+        # Strip folders from ref names, / isn't valid in a filename.
+        run: |
+          pyp "f'ARTI_NAME=beemod2_{re.sub('[^a-zA-Z0-9]+', '', Path('${{ github.event.ref }}').stem}_packages')" >> "$GITHUB_ENV"
+          echo "RETENTION=30" >> "$GITHUB_ENV"
 
-      - name: Packages upload (hash)
-        uses: actions/upload-artifact@v4
+      - name: Calc Name (hash)
         if: github.event_name != 'create'
+        run: |
+          pyp "f'ARTI_NAME=beemod2_dev{'${{ github.sha }}'[:8]}_packages" >> "$GITHUB_ENV"
+          echo "RETENTION=8" >> "$GITHUB_ENV"
+
+      - name: Packages upload
+        uses: actions/upload-artifact@v4
         with:
-          name: beemod2_${{ github.sha }}_packages
+          name: ${{ env.ARTI_NAME }}
           path: ./zips/
           if-no-files-found: error
-          retention-days: 8
+          retention-days: ${{ env.RETENTION }}