diff --git a/contract-ts/package.json b/contract-ts/package.json
index 4387d44..07be7fc 100644
--- a/contract-ts/package.json
+++ b/contract-ts/package.json
@@ -8,16 +8,16 @@
     "test": "$npm_execpath build && ava -- ./build/contract.wasm"
   },
   "dependencies": {
-    "near-cli": "^4.0.8",
+    "near-cli": "^4.0.10",
     "near-sdk-js": "1.0.0"
   },
   "devDependencies": {
     "@ava/typescript": "^4.1.0",
     "ava": "^6.1.2",
     "near-workspaces": "^3.5.0",
-    "ts-morph": "^21.0.1",
+    "ts-morph": "^22.0.0",
     "ts-node": "^10.9.2",
     "tsimp": "^2.0.11",
-    "typescript": "^5.3.3"
+    "typescript": "^5.4.2"
   }
-}
\ No newline at end of file
+}
diff --git a/contract-ts/sandbox-ts/main.ava.ts b/contract-ts/sandbox-ts/main.ava.ts
index fddcc25..872a24b 100644
--- a/contract-ts/sandbox-ts/main.ava.ts
+++ b/contract-ts/sandbox-ts/main.ava.ts
@@ -1,18 +1,13 @@
-import { setDefaultResultOrder } from 'dns'; setDefaultResultOrder('ipv4first'); // temp fix for node > v17
-
 import { Worker, NearAccount } from 'near-workspaces';
 import anyTest, { TestFn } from 'ava';
-import * as path from 'path';
+import { setDefaultResultOrder } from 'dns'; setDefaultResultOrder('ipv4first'); // temp fix for node >v17
 
 // Global context
-let worker: Worker;
-let accounts: Record<string, NearAccount>;
-
-const test = anyTest as TestFn<{}>;
+const test = anyTest as TestFn<{ worker: Worker, accounts: Record<string, NearAccount> }>;
 
-test.before(async (t) => {
-  // Init the worker and start a Sandbox server
-  worker = await Worker.init();
+test.beforeEach(async (t) => {
+  // Create sandbox, accounts, deploy contracts, etc.
+  const worker = t.context.worker = await Worker.init();
 
   // Deploy contract
   const root = worker.rootAccount;
@@ -22,24 +17,24 @@ test.before(async (t) => {
   await contract.deploy(process.argv[2]);
 
   // Save state for test runs, it is unique for each test
-  accounts = { root, contract };
+  t.context.accounts = { root, contract };
 });
 
-test.after.always(async (t) => {
+test.afterEach.always(async (t) => {
   // Stop Sandbox server
-  await worker.tearDown().catch((error) => {
+  await t.context.worker.tearDown().catch((error) => {
     console.log('Failed to stop the Sandbox:', error);
   });
 });
 
 test('by default the user has no points', async (t) => {
-  const { root, contract } = accounts;
+  const { root, contract } = t.context.accounts;
   const points: number = await contract.view('points_of', { player: root.accountId });
   t.is(points, 0);
 });
 
 test('the points are correctly computed', async (t) => {
-  const { root, contract } = accounts;
+  const { root, contract } = t.context.accounts;
 
   let counter: {[key:string]:number} = { 'heads': 0, 'tails': 0 }
   let expected_points = 0;