diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index b328c63..c2b79aa 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -2,7 +2,10 @@ name: Tests
 on: [push, pull_request]
 jobs:
   test:
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v3
     - uses: actions/setup-go@v3
@@ -12,4 +15,4 @@ jobs:
     - run: make race
     - run: make test
     - name: golangci-lint
-      uses: golangci/golangci-lint-action@v3
+      uses: golangci/golangci-lint-action@0ad9a0988b3973e851ab0a07adf248ec2e100376 # v3.3.1
diff --git a/Makefile b/Makefile
index 40147e5..67e3390 100644
--- a/Makefile
+++ b/Makefile
@@ -14,12 +14,12 @@ lint:
 	golangci-lint run ./...
 
 test:
-	TEST_FREELIST_TYPE=hashmap go test -timeout 20m -v -coverprofile cover.out -covermode atomic
+	TEST_FREELIST_TYPE=hashmap go test -timeout 30m -v -coverprofile cover.out -covermode atomic
 	TEST_FREELIST_TYPE=hashmap go test -v ./cmd/bbolt
 
 	@echo "array freelist test"
 
-	@TEST_FREELIST_TYPE=array go test -timeout 20m -v -coverprofile cover.out -covermode atomic
+	@TEST_FREELIST_TYPE=array go test -timeout 30m -v -coverprofile cover.out -covermode atomic
 	@TEST_FREELIST_TYPE=array go test -v ./cmd/bbolt
 
 .PHONY: race fmt test lint
diff --git a/db.go b/db.go
index 9b2f9d1..328b2ce 100644
--- a/db.go
+++ b/db.go
@@ -129,6 +129,9 @@ type DB struct {
 	path     string
 	openFile func(string, int, os.FileMode) (*os.File, error)
 	file     *os.File
+	// `dataref` isn't used at all on Windows, and the golangci-lint
+	// always fails on Windows platform.
+	//nolint
 	dataref  []byte // mmap'ed readonly, write throws SEGV
 	data     *[maxMapSize]byte
 	datasz   int