diff --git a/.github/actions-rs/grcov.yml b/.github/actions-rs/grcov.yml
new file mode 100644
index 00000000..970a6a99
--- /dev/null
+++ b/.github/actions-rs/grcov.yml
@@ -0,0 +1,8 @@
+branch: true
+ignore-not-existing: true
+llvm: true
+output-type: lcov
+ignore:
+  - "/*"
+  - "C:/*"
+  - "../*"
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
new file mode 100644
index 00000000..1fbfaa4f
--- /dev/null
+++ b/.github/workflows/coverage.yml
@@ -0,0 +1,47 @@
+name: Test coverage
+
+on:
+  push:
+    branches:
+      - main
+      - dev
+  pull_request:
+    branches:
+      - dev
+    paths-ignore:
+      - 'docs/**'
+      - 'spec/**'
+
+jobs:
+  collect-coverage:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Install stable toolchain
+      uses: actions-rs/toolchain@v1
+      with:
+          toolchain: stable
+          override: true
+
+    - name: Run tests
+      uses: actions-rs/cargo@v1
+      with:
+        command: test
+        args: --all-features --no-fail-fast
+      env:
+        CARGO_INCREMENTAL: 0
+        RUSTC_BOOTSTRAP: 1
+        RUSTFLAGS: "-Zprofile -Ccodegen-units=1 -Copt-level=0 -Clink-dead-code -Coverflow-checks=off -Zpanic_abort_tests"
+        RUSTDOCFLAGS: "-Cpanic=abort"
+
+    - name: Collect test coverage data
+      uses: actions-rs/grcov@v0.1
+      id: coverage
+    
+    - name: Upload coverage data to Coveralls
+      uses: coverallsapp/github-action@v1.1.2
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+        path-to-lcov: ${{ steps.coverage.outputs.report }}