diff --git a/.github/workflows/coverage.yaml b/.github/workflows/coverage.yaml
new file mode 100644
index 000000000..4c5103865
--- /dev/null
+++ b/.github/workflows/coverage.yaml
@@ -0,0 +1,17 @@
+name: coverage
+
+on:
+  push:
+    branches: ["main"]
+
+jobs:
+  codecov:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: taiki-e/install-action@cargo-llvm-cov
+      - run: rustup component add llvm-tools-preview
+      - run: cargo llvm-cov --lcov --output-path lcov.info
+      - uses: codecov/codecov-action@v2
+        with:
+          files: lcov.info
diff --git a/.github/workflows/pr_title.yaml b/.github/workflows/pr_title.yaml
index 8a7ab3acb..2eb70390e 100644
--- a/.github/workflows/pr_title.yaml
+++ b/.github/workflows/pr_title.yaml
@@ -9,9 +9,6 @@ on:
       - reopened
       - synchronize
 
-env:
-  CARGO_TERM_COLOR: always
-
 jobs:
   title_check:
     runs-on: ubuntu-latest