1 files changed, 2 insertions, 0 deletions
diff --git a/js/collapse.js b/js/collapse.js
index 4ff5544c5..8d6e33289 100644
--- a/js/collapse.js
+++ b/js/collapse.js
@@ -22,6 +22,8 @@
     if (this.options.toggle) this.toggle()
   }
 
+  Collapse.VERSION  = '3.1.1'
+
   Collapse.DEFAULTS = {
     toggle: true
   }