diff --git a/x/wasm/keeper/snapshotter.go b/x/wasm/keeper/snapshotter.go
index a781cb0..2b7a01b 100644
--- a/x/wasm/keeper/snapshotter.go
+++ b/x/wasm/keeper/snapshotter.go
@@ -50,7 +50,12 @@ func (ws *WasmSnapshotter) Snapshot(height uint64, protoWriter protoio.Writer) e
 	if err != nil {
 		return err
 	}
-
+	defer func() {
+		// We should close the multistore to avoid leaking resources.
+		if closer, ok := cacheMS.(io.Closer); ok {
+			_ = closer.Close()
+		}
+	}()
 	ctx := sdk.NewContext(cacheMS, tmproto.Header{}, false, log.NewNopLogger())
 	seenBefore := make(map[string]bool)
 	var rerr error