diff --git a/.github/workflows/coveralls.yml b/.github/workflows/coveralls.yml
index e0a60d5f..a3d37cd3 100644
--- a/.github/workflows/coveralls.yml
+++ b/.github/workflows/coveralls.yml
@@ -19,6 +19,6 @@ jobs:
       - name: Install cargo-llvm-cov
         uses: taiki-e/install-action@cargo-llvm-cov
       - name: Generate code coverage for tests
-        run: cargo llvm-cov --all-features --workspace --lcov --output-path lcov.info
+        run: cargo llvm-cov --ignore-filename-regex fuzz --all-features --workspace --lcov --output-path lcov.info
       - name: Upload report to coveralls
         uses: coverallsapp/github-action@v2