diff --git a/README.md b/README.md
index 31a4e93..22ff781 100644
--- a/README.md
+++ b/README.md
@@ -15,9 +15,7 @@ Roadmap:
   - branch [`wasi`](https://github.com/ncruces/go-sqlite3/tree/wasi) uses `test_demovfs.c` directly
 - [x] design a simple, nice API, enough for simple use cases
 - [x] provide a simple `database/sql` driver
-- [x] file locking, compatible with SQLite on Windows/Unix
-- [ ] shared memory, compatible with SQLite on Windows/Unix
-  - needed for improved WAL mode
+- [x] file locking, compatible with SQLite on macOS/Linux/Windows
 - [ ] advanced SQLite features
   - [ ] nested transactions
   - [ ] incremental BLOB I/O
diff --git a/compile.go b/compile.go
index 9f2d10b..45991c7 100644
--- a/compile.go
+++ b/compile.go
@@ -2,7 +2,9 @@ package sqlite3
 
 import (
 	"context"
+	"crypto/rand"
 	"os"
+	"runtime"
 	"strconv"
 	"sync"
 	"sync/atomic"
@@ -34,7 +36,10 @@ func (s *sqlite3Runtime) instantiateModule(ctx context.Context) (api.Module, err
 	}
 
 	cfg := wazero.NewModuleConfig().
-		WithName("sqlite3-" + strconv.FormatUint(s.instances.Add(1), 10))
+		WithName("sqlite3-" + strconv.FormatUint(s.instances.Add(1), 10)).
+		WithSysWalltime().WithSysNanotime().WithSysNanosleep().
+		WithOsyield(runtime.Gosched).
+		WithRandSource(rand.Reader)
 	return s.runtime.InstantiateModule(ctx, s.compiled, cfg)
 }