diff --git a/types/select2/index.d.ts b/types/select2/index.d.ts
index 51e297a9a8..1fe95ee6e8 100644
--- a/types/select2/index.d.ts
+++ b/types/select2/index.d.ts
@@ -94,6 +94,7 @@ interface Select2Options {
     dropdownAdapter?: any;
     selectionAdapter?: any;
     resultsAdapter?: any;
+    dataAdapter?: any;
 }
 
 interface Select2JQueryEventObject extends JQueryEventObject {