diff --git a/packages/node/src/types/config.ts b/packages/node/src/types/config.ts
index 00f67d0..e8b70db 100644
--- a/packages/node/src/types/config.ts
+++ b/packages/node/src/types/config.ts
@@ -250,7 +250,7 @@ export const AssignmentConfigDefaults: Omit<AssignmentConfig, 'apiKey'> = {
 export const CohortConfigDefaults: Omit<CohortConfig, 'apiKey' | 'secretKey'> =
   {
     cohortServerUrl: 'https://cohort-v2.lab.amplitude.com',
-    maxCohortSize: 10_000_000,
+    maxCohortSize: 2147483647,
     cohortRequestDelayMillis: 100,
   };