diff --git a/.github/workflows/cadastrapp.yml b/.github/workflows/cadastrapp.yml
index 7ba86f2..31e8bef 100644
--- a/.github/workflows/cadastrapp.yml
+++ b/.github/workflows/cadastrapp.yml
@@ -37,19 +37,20 @@ jobs:
       run: npm run ext:build
 
     - name: "publish zip as artifact"
-      uses: actions/upload-artifact@v1
+      uses: actions/upload-artifact@v4
       with:
         name: Cadastrapp-${{ github.sha }}
         path: dist/Cadastrapp.zip
 
     - name: "change webpack config to avoid minification"
-      run: sed -i -e 's/prod: true/prod: false/' build/extension/prod-webpack.config.js
+      run: |
+        sed -i -e 's/prod: true/prod: false/' build/extension/prod-webpack.config.js
 
     - name: "build unminified"
       run: npm run ext:build
 
     - name: "publish zip as artifact"
-      uses: actions/upload-artifact@v1
+      uses: actions/upload-artifact@v4
       with:
         name: Cadastrapp-unminified-${{ github.sha }}
         path: dist/Cadastrapp.zip