diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.native.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.native.js
index a441a1689a1..96f7a0f8310 100644
--- a/packages/shared/forks/ReactFeatureFlags.test-renderer.native.js
+++ b/packages/shared/forks/ReactFeatureFlags.test-renderer.native.js
@@ -46,7 +46,7 @@ export const enableGetInspectorDataForInstanceInProduction = false;
 export const enableSuspenseAvoidThisFallback = false;
 export const enableSuspenseAvoidThisFallbackFizz = false;
 export const enableCPUSuspense = false;
-export const enableUseMemoCacheHook = false;
+export const enableUseMemoCacheHook = true;
 export const enableUseEffectEventHook = false;
 export const enableClientRenderFallbackOnTextMismatch = true;
 export const createRootStrictEffectsByDefault = false;
diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js
index 09d74c14754..0b3301bc39e 100644
--- a/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js
+++ b/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js
@@ -42,7 +42,7 @@ export const disableModulePatternComponents = true;
 export const enableSuspenseAvoidThisFallback = true;
 export const enableSuspenseAvoidThisFallbackFizz = false;
 export const enableCPUSuspense = false;
-export const enableUseMemoCacheHook = false;
+export const enableUseMemoCacheHook = true;
 export const enableUseEffectEventHook = false;
 export const enableClientRenderFallbackOnTextMismatch = true;
 export const enableComponentStackLocations = true;