diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8a7fa3c..def3f0d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,10 +20,28 @@ concurrency:
 jobs:
   build_and_test:
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
 
     steps:
       - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
 
+      # FIXME: remove
+      - run: |
+          echo 'Test' > test.txt
+          git add test.txt
+
+      - name: Test signed commits
+        uses: qoomon/actions--create-commit@v1.2.1
+        id: commit
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          message: "Test commit"
+
+      - name: Push commit
+        if: ${{ steps.commit.outputs.commit != null }}
+        run: git push
+
       - name: Install Rust
         uses: dtolnay/rust-toolchain@master
         with:
@@ -49,7 +67,7 @@ jobs:
         run: |
           # Check the main library with non-test features (needs to be tested in isolation since the fuzzing crate enables test features)
           cargo clippy -p zksync_vm2 --all-targets -- -D warnings
-          # The benches in `vm2` don't compile with fuzzing enabled 
+          # The benches in `vm2` don't compile with fuzzing enabled
           cargo clippy --workspace --all-features --lib --bins --tests -- -D warnings
 
       - name: Check formatting