diff --git a/test/cli-e2e/basic.test.ts b/test/cli-e2e/basic.test.ts
index a8bc3a42a9..7677ca382d 100644
--- a/test/cli-e2e/basic.test.ts
+++ b/test/cli-e2e/basic.test.ts
@@ -70,7 +70,8 @@ describe('openspec CLI e2e basics', () => {
     const specs = await runCLI(['list', '--specs'], { cwd: cloneDir, env });
     expect(specs.exitCode).toBe(0);
     expect(specs.stdout).toContain('No specs found.');
-  });
+    // Seven subprocesses (3 CLI, 4 git): ~2.6s on the Windows runner, past 10s under load.
+  }, 60_000);
 
   it('shows help output', async () => {
     const result = await runCLI(['--help']);
diff --git a/test/update-flake-script.test.ts b/test/update-flake-script.test.ts
index 130ffe80cc..cc5af2afec 100644
--- a/test/update-flake-script.test.ts
+++ b/test/update-flake-script.test.ts
@@ -105,7 +105,8 @@ describe('update-flake.sh confines every hash rewrite to the pnpmDeps block', ()
     expect(updated).not.toContain(placeholder);
 
     fs.rmSync(dir, { recursive: true, force: true });
-  });
+    // Three `bash` spawns: 0.3s to 13s on the Windows runner depending on load.
+  }, 60_000);
 
   it('refuses to touch the file when no pnpmDeps hash is found', () => {
     expect(script).toContain('no pnpmDeps hash found in flake.nix');