diff --git a/wrappers/typescript/vitest.config.ts b/wrappers/typescript/vitest.config.ts
index d9ebefd5..bb5fbc62 100644
--- a/wrappers/typescript/vitest.config.ts
+++ b/wrappers/typescript/vitest.config.ts
@@ -4,5 +4,10 @@ export default defineConfig({
   test: {
     include: ["test/**/*.test.ts"],
     environment: "node",
+    // 15s accommodates the transport.test.ts terminate() case which spawns
+    // a real subprocess and waits for SIGTERM exit on CI runners — the 5s
+    // vitest default is tight on busy GitHub Actions hosts (see
+    // publish-wrapper.yml run 26551192854 for the timeout symptom).
+    testTimeout: 15000,
   },
 });