diff --git a/src/samples/tic-tac-toe.ts b/src/samples/tic-tac-toe.ts
index 72e91b2..ffa94d6 100644
--- a/src/samples/tic-tac-toe.ts
+++ b/src/samples/tic-tac-toe.ts
@@ -77,7 +77,7 @@ export async function start(game: TicTacToeGame) {
     const turnNumber = game.value.turn + 1;
     const turnOutput = await turn(game, currentPlayer, turnNumber);
 
-    game.produce((state) => {
+    await game.produceAsync((state) => {
       state.winner = turnOutput.winner;
       if (!state.winner) {
         state.currentPlayer = state.currentPlayer === "X" ? "O" : "X";
@@ -111,7 +111,7 @@ async function turn(
     game.value.currentPlayer,
   );
 
-  placePiece(game, row, col, turnPlayer);
+  await placePiece(game, row, col, turnPlayer);
 
   const winner = checkWinner(game);
   if (winner) return { winner };
@@ -163,7 +163,7 @@ export function checkWinner(host: TicTacToeGame): WinnerType {
   return null;
 }
 
-export function placePiece(
+export async function placePiece(
   host: TicTacToeGame,
   row: number,
   col: number,
@@ -177,7 +177,7 @@ export function placePiece(
     player,
     id: `piece-${player}-${moveNumber}`,
   };
-  host.produce((state) => {
+  await host.produceAsync((state) => {
     state.parts[piece.id] = piece;
     board.childIds.push(piece.id);
     board.partMap[`${row},${col}`] = piece.id;