diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
new file mode 100644
index 0000000..b05730b
--- /dev/null
+++ b/.github/workflows/codecov.yml
@@ -0,0 +1,42 @@
+on:
+  push:
+    branches:
+      - main
+
+name: Code coverage with tarpaulin
+
+jobs:
+  coverage:
+    name: Coverage
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+
+      - name: Install rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          profile: minimal
+          override: true
+
+      - name: Cache
+        uses: Swatinem/rust-cache@v1
+
+      - name: Install cargo-tarpaulin
+        uses: actions-rs/cargo@v1
+        with:
+          command: install
+          args: cargo-tarpaulin
+
+      - name: Run cargo tarpaulin
+        uses: actions-rs/cargo@v1
+        with:
+          command: tarpaulin
+          args: --output-dir coverage --out Lcov
+      
+      - name: Publish to Coveralls
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/grcov.yml b/.github/workflows/grcov.yml
deleted file mode 100644
index 0512db4..0000000
--- a/.github/workflows/grcov.yml
+++ /dev/null
@@ -1,65 +0,0 @@
-on:
-  # Trigger the workflow on push or pull request,
-  # but only for the main branch
-  push:
-    branches:
-      - main
-
-name: Code coverage with grcov
-
-jobs:
-  grcov:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os:
-          - ubuntu-latest
-          #- macOS-latest
-          #- windows-latest
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Install toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: nightly
-          override: true
-          profile: minimal
-
-      - name: Execute tests
-        uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --all
-        env:
-          CARGO_INCREMENTAL: 0
-          RUSTFLAGS: "-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Zpanic_abort_tests -Zinstrument-coverage"
-
-      # Note that `actions-rs/grcov` Action can install `grcov` too,
-      # but can't use faster installation methods yet.
-      # As a temporary experiment `actions-rs/install` Action plugged in here.
-      # Consider **NOT** to copy that into your workflow,
-      # but use `actions-rs/grcov` only
-      - name: Gather coverage data
-        id: coverage
-        uses: actions-rs/grcov@v0.1
-        with:
-          coveralls-token: ${{ secrets.COVERALLS_TOKEN }}
-
-      - name: Coveralls upload
-        uses: coverallsapp/github-action@master
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          parallel: true
-          path-to-lcov: ${{ steps.coverage.outputs.report }}
-
-  grcov_finalize:
-    runs-on: ubuntu-latest
-    needs: grcov
-    steps:
-      - name: Coveralls finalization
-        uses: coverallsapp/github-action@master
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          parallel-finished: true