diff --git a/react-bootstrap/index.d.ts b/react-bootstrap/index.d.ts
index 9780efb443..d23874c246 100644
--- a/react-bootstrap/index.d.ts
+++ b/react-bootstrap/index.d.ts
@@ -551,6 +551,7 @@ declare namespace ReactBootstrap {
         staticTop?: boolean;
         toggleButton?: any; // TODO: Add more specific type
         toggleNavKey?: string | number;
+        collapseOnSelect?: boolean;
     }
     interface NavbarClass extends React.ClassicComponentClass<NavbarProps> {
         Brand: typeof NavbarBrand;