diff --git a/packages/optimizely-sdk/lib/index.d.ts b/packages/optimizely-sdk/lib/index.d.ts
index 880617ce8..5575ed710 100644
--- a/packages/optimizely-sdk/lib/index.d.ts
+++ b/packages/optimizely-sdk/lib/index.d.ts
@@ -98,6 +98,7 @@ declare module '@optimizely/optimizely-sdk' {
     eventBatchSize?: number;
     eventFlushInterval?: number;
     sdkKey?: string;
+    defaultDecideOptions?: OptimizelyDecideOption[]
   }
 
   export interface Client {