diff --git a/lib/Modeler.js b/lib/Modeler.js
index cc6ff8f6..74aaff1a 100644
--- a/lib/Modeler.js
+++ b/lib/Modeler.js
@@ -66,6 +66,7 @@ Modeler.prototype._modelingModules = [
   require('diagram-js/lib/features/snapping'),
   require('diagram-js/lib/features/move'),
   require('diagram-js/lib/features/resize'),
+  require('diagram-js/lib/features/lasso-tool'),
   require('./features/modeling'),
   require('./features/context-pad'),
   require('./features/palette')