diff --git a/packages/shared/forks/ReactFeatureFlags.testing.www.js b/packages/shared/forks/ReactFeatureFlags.testing.www.js
index 6fc6cf3c68367..9eefdc2cca773 100644
--- a/packages/shared/forks/ReactFeatureFlags.testing.www.js
+++ b/packages/shared/forks/ReactFeatureFlags.testing.www.js
@@ -23,7 +23,7 @@ export const enableUpdaterTracking = false;
 export const enableSuspenseServerRenderer = true;
 export const enableSelectiveHydration = true;
 export const enableLazyElements = false;
-export const enableCache = false;
+export const enableCache = true;
 export const disableJavaScriptURLs = true;
 export const disableInputAttributeSyncing = false;
 export const enableSchedulerDebugging = false;