diff --git a/.gitea/workflows/source-release.yml b/.gitea/workflows/source-release.yml
index 0b59e48..b47126f 100644
--- a/.gitea/workflows/source-release.yml
+++ b/.gitea/workflows/source-release.yml
@@ -283,6 +283,32 @@ jobs:
 
           echo "$RELEASE_JSON" > release.json
 
+      - name: Delete old development assets
+        if: ${{ steps.target.outputs.tag == 'development' }}
+        env:
+          GITEA_TOKEN: ${{ secrets.RELEASE_TOKEN }}
+        run: |
+          set -e
+
+          RELEASE_ID="$(jq -r '.id' release.json)"
+
+          ASSET_IDS="$(curl -fsS \
+            -H "Authorization: token ${GITEA_TOKEN}" \
+            "${GITEA_API}/repos/${OWNER}/${REPO}/releases/${RELEASE_ID}" \
+            | jq -r '.assets[]? | .id')"
+
+          if [ -z "$ASSET_IDS" ]; then
+            echo "No old development assets to delete."
+            exit 0
+          fi
+
+          for ASSET_ID in $ASSET_IDS; do
+            echo "Deleting old development asset id=${ASSET_ID}"
+            curl -fsS -X DELETE \
+              -H "Authorization: token ${GITEA_TOKEN}" \
+              "${GITEA_API}/repos/${OWNER}/${REPO}/releases/${RELEASE_ID}/assets/${ASSET_ID}"
+          done
+
       - name: Delete old asset with same name if present
         env:
           GITEA_TOKEN: ${{ secrets.RELEASE_TOKEN }}
@@ -319,4 +345,4 @@ jobs:
             -H "Content-Type: application/octet-stream" \
             --data-binary @"${FILE}" \
             "${GITEA_API}/repos/${OWNER}/${REPO}/releases/${RELEASE_ID}/assets?name=${NAME}"
-    
\ No newline at end of file
+