diff --git a/.github/workflows/go-test.yml b/.github/workflows/go-test.yml
index cdee1393..d0289276 100644
--- a/.github/workflows/go-test.yml
+++ b/.github/workflows/go-test.yml
@@ -2,6 +2,12 @@ name: Lint & Test
 on:
   pull_request:
   workflow_call:
+  push:
+    branches:
+      - master
+
+env:
+  CGO_ENABLED: 1
 
 jobs:
   lint:
@@ -9,27 +15,16 @@ jobs:
     runs-on: ubuntu-latest
     permissions:
       contents: read
+      pull-requests: read
     steps:
       - name: Configure git
-        run: git config --global core.autocrlf false # required on Windows
+        run: git config --global core.autocrlf false
       - uses: actions/checkout@v5
       - uses: actions/setup-go@v5
         with:
-          go-version: ${{ matrix.go-version }}
+          go-version: '1.24'
       - uses: golangci/golangci-lint-action@v7
         with:
           skip-cache: true
   test:
-    name: Test
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-    steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-go@v5
-        with:
-          go-version: 1.23
-      - name: Test
-        uses: n8maninger/action-golang-test@v2
-        with:
-          args: -race;-failfast
+    uses: SiaFoundation/workflows/.github/workflows/go-test.yml@master
diff --git a/sia/multipart.go b/sia/multipart.go
index c22336eb..ce67b07d 100644
--- a/sia/multipart.go
+++ b/sia/multipart.go
@@ -199,11 +199,9 @@ func (s *Sia) UploadPart(ctx context.Context, accessKeyID, bucket, object string
 	}
 
 	// sync parent directory
-	if dir, err := os.Open(partDir); errors.Is(err, os.ErrNotExist) {
+	if err := syncDir(partDir); errors.Is(err, os.ErrNotExist) {
 		return nil, s3errs.ErrNoSuchUpload
 	} else if err != nil {
-		return nil, fmt.Errorf("failed to open part directory: %w", err)
-	} else if err := errors.Join(dir.Sync(), dir.Close()); err != nil {
 		return nil, fmt.Errorf("failed to sync part directory: %w", err)
 	}
 
@@ -312,11 +310,9 @@ func (s *Sia) UploadPartCopy(ctx context.Context, accessKeyID, srcBucket, srcObj
 	}
 
 	// sync parent directory
-	if dir, err := os.Open(partDir); errors.Is(err, os.ErrNotExist) {
+	if err := syncDir(partDir); errors.Is(err, os.ErrNotExist) {
 		return nil, s3errs.ErrNoSuchUpload
 	} else if err != nil {
-		return nil, fmt.Errorf("failed to open part directory: %w", err)
-	} else if err := errors.Join(dir.Sync(), dir.Close()); err != nil {
 		return nil, fmt.Errorf("failed to sync part directory: %w", err)
 	}
 
diff --git a/sia/objects.go b/sia/objects.go
index edb90576..04e15d79 100644
--- a/sia/objects.go
+++ b/sia/objects.go
@@ -45,7 +45,7 @@ func (s *Sia) openUpload(bucket, name string, obj *objects.Object, offset int64)
 		uploadDir := filepath.Join(s.uploadDir(), *obj.FileName)
 		return objects.NewReader(uploadDir, parts, offset)
 	}
-	f, err := os.Open(filepath.Join(s.uploadDir(), *obj.FileName))
+	f, err := openFileAllowDelete(filepath.Join(s.uploadDir(), *obj.FileName))
 	if err != nil {
 		return nil, err
 	}
diff --git a/sia/os_nonwindows.go b/sia/os_nonwindows.go
new file mode 100644
index 00000000..9dbbd6fb
--- /dev/null
+++ b/sia/os_nonwindows.go
@@ -0,0 +1,20 @@
+//go:build !windows
+
+package sia
+
+import (
+	"errors"
+	"os"
+)
+
+func openFileAllowDelete(path string) (*os.File, error) {
+	return os.Open(path)
+}
+
+func syncDir(path string) error {
+	dir, err := os.Open(path)
+	if err != nil {
+		return err
+	}
+	return errors.Join(dir.Sync(), dir.Close())
+}
diff --git a/sia/os_windows.go b/sia/os_windows.go
new file mode 100644
index 00000000..d2152a7d
--- /dev/null
+++ b/sia/os_windows.go
@@ -0,0 +1,34 @@
+//go:build windows
+
+package sia
+
+import (
+	"os"
+	"syscall"
+)
+
+func openFileAllowDelete(path string) (*os.File, error) {
+	p, err := syscall.UTF16PtrFromString(path)
+	if err != nil {
+		return nil, err
+	}
+
+	h, err := syscall.CreateFile(
+		p,
+		syscall.GENERIC_READ,
+		syscall.FILE_SHARE_READ|syscall.FILE_SHARE_WRITE|syscall.FILE_SHARE_DELETE,
+		nil,
+		syscall.OPEN_EXISTING,
+		syscall.FILE_ATTRIBUTE_NORMAL,
+		0,
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	return os.NewFile(uintptr(h), path), nil
+}
+
+func syncDir(path string) error {
+	return nil
+}
diff --git a/sia/persist/sqlite/objects_test.go b/sia/persist/sqlite/objects_test.go
index 33a4249a..0ac9cc65 100644
--- a/sia/persist/sqlite/objects_test.go
+++ b/sia/persist/sqlite/objects_test.go
@@ -164,6 +164,7 @@ func TestListObjects(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
+	t.Cleanup(func() { store.Close() })
 
 	// prepare a bucket
 	bucket := "foo"
@@ -375,6 +376,7 @@ func TestListObjectsMatch(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
+	t.Cleanup(func() { store.Close() })
 
 	// prepare a bucket
 	bucket := "foo"
@@ -483,6 +485,7 @@ func TestListObjectsWalk(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
+	t.Cleanup(func() { store.Close() })
 
 	// prepare a bucket
 	bucket := "foo"
@@ -579,6 +582,7 @@ func BenchmarkListObjects(b *testing.B) {
 	if err != nil {
 		b.Fatal(err)
 	}
+	b.Cleanup(func() { store.Close() })
 
 	// prepare a bucket
 	bucket := "foo"