diff --git a/packages/cli/src/ui/AppContainer.test.tsx b/packages/cli/src/ui/AppContainer.test.tsx
index 5e035d2be..2ac6988b6 100644
--- a/packages/cli/src/ui/AppContainer.test.tsx
+++ b/packages/cli/src/ui/AppContainer.test.tsx
@@ -142,6 +142,9 @@ describe('AppContainer State Management', () => {
   beforeEach(() => {
     vi.clearAllMocks();
 
+    // Increase max listeners to prevent EventEmitter memory leak warnings in tests
+    process.setMaxListeners(20);
+
     // Initialize mock stdout for terminal title tests
     mockStdout = { write: vi.fn() };
 
@@ -305,6 +308,8 @@ describe('AppContainer State Management', () => {
 
   afterEach(() => {
     cleanup();
+    // Reset max listeners to default
+    process.setMaxListeners(10);
   });
 
   describe('Basic Rendering', () => {