diff --git a/.github/workflows/dd-build.yaml b/.github/workflows/dd-build.yaml
index 0fe38be3558..c074fdb76ec 100644
--- a/.github/workflows/dd-build.yaml
+++ b/.github/workflows/dd-build.yaml
@@ -33,17 +33,26 @@ jobs:
       id: calculate_checksums
       shell: bash
       working-directory: release/
-      env:
-        ETCD_BUILD_PLATFORM: ${{ matrix.platform }}
       run: ls . | grep -E '\.tar.gz$|\.zip$' | xargs shasum -a 256 > ./SHA256SUMS
     - uses: actions/upload-artifact@v4
       with:
         name: etcd_output_${{ env.SANITIZED_TARGET_PLATFORM }}
         path: release/etcd-${{ env.RELEASE_VERSION }}-${{ env.SANITIZED_TARGET_PLATFORM }}*
+      env:
+        SANITIZED_TARGET_PLATFORM: ${{ env.SANITIZED_TARGET_PLATFORM }}
     - uses: actions/upload-artifact@v4
       with:
-        name: etcd_output_checksums
+        name: etcd_output_checksums_${{ env.SANITIZED_TARGET_PLATFORM }}
         path: release/SHA256SUMS
+      env:
+        SANITIZED_TARGET_PLATFORM: ${{ env.SANITIZED_TARGET_PLATFORM }}
+    - name: Merge checksums
+      uses: actions/upload-artifact/merge@v4
+      if: always()
+      with:
+        name: etcd_output_checksums
+        pattern: etcd_output_checksums_*
+        delete-merged: true
   release:
     permissions:
       contents: write