diff --git a/.github/workflows/build-and-release.yml b/.github/workflows/build-and-release.yml
index 3ac0b62..2e0c2f1 100644
--- a/.github/workflows/build-and-release.yml
+++ b/.github/workflows/build-and-release.yml
@@ -65,25 +65,3 @@ jobs:
           npm publish --workspace=packages/safe-chain-bun --access public
         env:
           NPM_AUTH_TOKEN: ${{ secrets.NPM_PUBLISH_TOKEN }}
-
-      - name: Pack safe-chain tarball
-        run: |
-          cd packages/safe-chain
-          npm pack
-
-      - name: Pack safe-chain-bun tarball
-        run: |
-          cd packages/safe-chain-bun
-          npm pack
-
-      - name: Upload safe-chain tarball
-        uses: actions/upload-artifact@v3
-        with:
-          name: aikidosec-safe-chain-${{ steps.get_version.outputs.tag }}
-          path: packages/safe-chain/aikidosec-safe-chain-*.tgz
-
-      - name: Upload safe-chain-bun tarball
-        uses: actions/upload-artifact@v3
-        with:
-          name: aikidosec-safe-chain-bun-${{ steps.get_version.outputs.tag }}
-          path: packages/safe-chain-bun/aikidosec-safe-chain-bun-*.tgz
diff --git a/.github/workflows/test-on-pr.yml b/.github/workflows/test-on-pr.yml
index 55c8dc2..a81b1c8 100644
--- a/.github/workflows/test-on-pr.yml
+++ b/.github/workflows/test-on-pr.yml
@@ -32,13 +32,13 @@ jobs:
           npm pack --workspace=packages/safe-chain-bun
 
       - name: Upload safe-chain tarball
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: aikidosec-safe-chain-1.0.0.tgz
           path: packages/safe-chain/aikidosec-safe-chain-*.tgz
 
       - name: Upload safe-chain-bun tarball
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: aikidosec-safe-chain-bun-1.0.0.tgz
           path: packages/safe-chain-bun/aikidosec-safe-chain-bun-*.tgz