diff --git a/contrib/lisp/ox-taskjuggler.el b/contrib/lisp/ox-taskjuggler.el
index 9146dfdf8..295fad1f8 100644
--- a/contrib/lisp/ox-taskjuggler.el
+++ b/contrib/lisp/ox-taskjuggler.el
@@ -182,7 +182,7 @@ the project."
   :group 'org-export-taskjuggler
   :type 'string)
 
-(defcustom org-taskjuggler-target-version 2.4
+(defcustom org-taskjuggler-target-version 3.0
   "Which version of TaskJuggler the exporter is targeting."
   :group 'org-export-taskjuggler
   :type 'number)