diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 13d8f27..10e74de 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,8 +13,13 @@ jobs:
     env:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
+      - name: Set up
+        run:
+          sudo apt-get update
+          sudo apt-get install -y valgrind
+
       - name: Check out source code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Go
         uses: actions/setup-go@v4
@@ -38,6 +43,9 @@ jobs:
       - name: Run benchmark
         run: make benchmark
 
+      - name: Run cachegrind
+        run: make cachegrind
+
       - name: Run octocov
         uses: k1LoW/octocov-action@v0
         env:
diff --git a/Makefile b/Makefile
index afd7180..0346b70 100644
--- a/Makefile
+++ b/Makefile
@@ -13,6 +13,10 @@ benchmark: depsdev
 	go mod tidy -modfile=testdata/go_test.mod
 	go test -modfile=testdata/go_test.mod -bench . -benchmem -benchtime 10000x -run Benchmark | octocov-go-test-bench --tee > custom_metrics_benchmark.json
 
+cachegrind: depsdev
+	go mod tidy -modfile=testdata/go_test.mod
+	valgrind --tool=cachegrind go test -modfile=testdata/go_test.mod -bench . -benchmem -benchtime 10000x -run Benchmark
+
 lint:
 	go mod tidy
 	golangci-lint run ./...