diff --git a/packages/shared/forks/ReactFeatureFlags.www-dynamic.js b/packages/shared/forks/ReactFeatureFlags.www-dynamic.js
index 7343b8c1c4732..4985abc136487 100644
--- a/packages/shared/forks/ReactFeatureFlags.www-dynamic.js
+++ b/packages/shared/forks/ReactFeatureFlags.www-dynamic.js
@@ -31,6 +31,7 @@ export const useModernStrictMode = __VARIANT__;
 export const enableRefAsProp = __VARIANT__;
 export const enableClientRenderFallbackOnTextMismatch = __VARIANT__;
 export const enableRetryLaneExpiration = __VARIANT__;
+export const enableBigIntSupport = __VARIANT__;
 export const retryLaneExpirationMs = 5000;
 export const syncLaneExpirationMs = 250;
 export const transitionLaneExpirationMs = 5000;
diff --git a/packages/shared/forks/ReactFeatureFlags.www.js b/packages/shared/forks/ReactFeatureFlags.www.js
index d2364057ecadf..1e169e80ac66c 100644
--- a/packages/shared/forks/ReactFeatureFlags.www.js
+++ b/packages/shared/forks/ReactFeatureFlags.www.js
@@ -38,6 +38,7 @@ export const {
   useModernStrictMode,
   enableRefAsProp,
   enableClientRenderFallbackOnTextMismatch,
+  enableBigIntSupport,
 } = dynamicFeatureFlags;
 
 // On WWW, __EXPERIMENTAL__ is used for a new modern build.
@@ -118,8 +119,6 @@ export const enableServerComponentLogs = true;
 
 export const enableReactTestRendererWarning = false;
 
-export const enableBigIntSupport = false;
-
 // TODO: Roll out with GK. Don't keep as dynamic flag for too long, though,
 // because JSX is an extremely hot path.
 export const disableStringRefs = false;