diff --git a/go.work.sum b/go.work.sum
index e69de29..342066c 100644
--- a/go.work.sum
+++ b/go.work.sum
@@ -0,0 +1,4 @@
+golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
+golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
+golang.org/x/term v0.18.0/go.mod h1:ILwASektA3OnRv7amZ1xhE/KTR+u50pbXfZ03+6Nx58=
+golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
diff --git a/vfs/api.go b/vfs/api.go
index df4d790..f191495 100644
--- a/vfs/api.go
+++ b/vfs/api.go
@@ -80,6 +80,16 @@ type FileOverwrite interface {
 	Overwrite() error
 }
 
+// FilePersistentWAL extends File to implement the
+// SQLITE_FCNTL_PERSIST_WAL file control opcode.
+//
+// https://sqlite.org/c3ref/c_fcntl_begin_atomic_write.html#sqlitefcntlpersistwal
+type FilePersistentWAL interface {
+	File
+	PersistentWAL() bool
+	SetPersistentWAL(bool)
+}
+
 // FilePowersafeOverwrite extends File to implement the
 // SQLITE_FCNTL_POWERSAFE_OVERWRITE file control opcode.
 //
@@ -90,7 +100,7 @@ type FilePowersafeOverwrite interface {
 	SetPowersafeOverwrite(bool)
 }
 
-// FilePowersafeOverwrite extends File to implement the
+// FileCommitPhaseTwo extends File to implement the
 // SQLITE_FCNTL_COMMIT_PHASETWO file control opcode.
 //
 // https://sqlite.org/c3ref/c_fcntl_begin_atomic_write.html#sqlitefcntlcommitphasetwo
diff --git a/vfs/file.go b/vfs/file.go
index 705a13a..8664487 100644
--- a/vfs/file.go
+++ b/vfs/file.go
@@ -126,9 +126,10 @@ func (vfsOS) OpenParams(name string, flags OpenFlag, params url.Values) (File, O
 type vfsFile struct {
 	*os.File
 	lock     LockLevel
-	psow     bool
-	syncDir  bool
 	readOnly bool
+	keepWAL  bool
+	syncDir  bool
+	psow     bool
 }
 
 var (
@@ -136,6 +137,7 @@ var (
 	_ FileLockState          = &vfsFile{}
 	_ FileHasMoved           = &vfsFile{}
 	_ FileSizeHint           = &vfsFile{}
+	_ FilePersistentWAL      = &vfsFile{}
 	_ FilePowersafeOverwrite = &vfsFile{}
 )
 
@@ -198,4 +200,6 @@ func (f *vfsFile) HasMoved() (bool, error) {
 
 func (f *vfsFile) LockState() LockLevel            { return f.lock }
 func (f *vfsFile) PowersafeOverwrite() bool        { return f.psow }
+func (f *vfsFile) PersistentWAL() bool             { return f.keepWAL }
 func (f *vfsFile) SetPowersafeOverwrite(psow bool) { f.psow = psow }
+func (f *vfsFile) SetPersistentWAL(keepWAL bool)   { f.keepWAL = keepWAL }
diff --git a/vfs/vfs.go b/vfs/vfs.go
index 820f4dc..d5efeab 100644
--- a/vfs/vfs.go
+++ b/vfs/vfs.go
@@ -257,19 +257,26 @@ func vfsFileControl(ctx context.Context, mod api.Module, pFile uint32, op _Fcntl
 			return _OK
 		}
 
+	case _FCNTL_PERSIST_WAL:
+		if file, ok := file.(FilePersistentWAL); ok {
+			if i := util.ReadUint32(mod, pArg); int32(i) >= 0 {
+				file.SetPersistentWAL(i != 0)
+			} else if file.PersistentWAL() {
+				util.WriteUint32(mod, pArg, 1)
+			} else {
+				util.WriteUint32(mod, pArg, 0)
+			}
+			return _OK
+		}
+
 	case _FCNTL_POWERSAFE_OVERWRITE:
 		if file, ok := file.(FilePowersafeOverwrite); ok {
-			switch util.ReadUint32(mod, pArg) {
-			case 0:
-				file.SetPowersafeOverwrite(false)
-			case 1:
-				file.SetPowersafeOverwrite(true)
-			default:
-				if file.PowersafeOverwrite() {
-					util.WriteUint32(mod, pArg, 1)
-				} else {
-					util.WriteUint32(mod, pArg, 0)
-				}
+			if i := util.ReadUint32(mod, pArg); int32(i) >= 0 {
+				file.SetPowersafeOverwrite(i != 0)
+			} else if file.PowersafeOverwrite() {
+				util.WriteUint32(mod, pArg, 1)
+			} else {
+				util.WriteUint32(mod, pArg, 0)
 			}
 			return _OK
 		}
@@ -284,12 +291,10 @@ func vfsFileControl(ctx context.Context, mod api.Module, pFile uint32, op _Fcntl
 	case _FCNTL_HAS_MOVED:
 		if file, ok := file.(FileHasMoved); ok {
 			moved, err := file.HasMoved()
-
 			var res uint32
 			if moved {
 				res = 1
 			}
-
 			util.WriteUint32(mod, pArg, res)
 			return vfsErrorCode(err, _IOERR_FSTAT)
 		}
@@ -326,6 +331,8 @@ func vfsFileControl(ctx context.Context, mod api.Module, pFile uint32, op _Fcntl
 	// Consider also implementing these opcodes (in use by SQLite):
 	//  _FCNTL_BUSYHANDLER
 	//  _FCNTL_CHUNK_SIZE
+	//  _FCNTL_CKPT_DONE
+	//  _FCNTL_CKPT_START
 	//  _FCNTL_PRAGMA
 	//  _FCNTL_SYNC
 	return _NOTFOUND