diff --git a/index.d.ts b/index.d.ts
index d116f54d..93290945 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -25,6 +25,7 @@ export type SplitPaneProps = {
   pane2Style?: React.CSSProperties;
   resizerClassName?: string;
   step?: number;
+  children?: React.ReactNode;
 };
 
 export type SplitPaneState = {