diff --git a/react/index.d.ts b/react/index.d.ts
index f25e5c0afd..e929e5ed7a 100644
--- a/react/index.d.ts
+++ b/react/index.d.ts
@@ -207,7 +207,7 @@ declare namespace React {
         (props: P & { children?: ReactNode }, context?: any): ReactElement<any> | null;
         propTypes?: ValidationMap<P>;
         contextTypes?: ValidationMap<any>;
-        defaultProps?: P;
+        defaultProps?: Partial<P>;
         displayName?: string;
     }
 
@@ -216,7 +216,7 @@ declare namespace React {
         propTypes?: ValidationMap<P>;
         contextTypes?: ValidationMap<any>;
         childContextTypes?: ValidationMap<any>;
-        defaultProps?: P;
+        defaultProps?: Partial<P>;
         displayName?: string;
     }