diff --git a/js/common.js b/js/common.js
index cf6ae9c4..a12595d3 100644
--- a/js/common.js
+++ b/js/common.js
@@ -16,7 +16,7 @@ global.zlib = require('./zlib-1.2.11').zlib;
 require('./prettify');
 global.prettyPrint = window.PR.prettyPrint;
 global.prettyPrintOne = window.PR.prettyPrintOne;
-global.showdown = require('./showdown-1.9.0');
+global.showdown = require('./showdown-1.9.1');
 global.DOMPurify = require('./purify-1.0.11');
 global.baseX = require('./base-x-3.0.5.1').baseX;
 require('./bootstrap-3.3.7');