diff --git a/package.json b/package.json
index 7a73aaab..cf2cc394 100644
--- a/package.json
+++ b/package.json
@@ -50,6 +50,7 @@
     "@rokt33r/season": "^5.3.0",
     "codemirror": "^5.19.0",
     "electron-gh-releases": "^2.0.2",
+    "flowchart.js": "^1.6.5",
     "font-awesome": "^4.3.0",
     "immutable": "^3.8.1",
     "js-sequence-diagrams": "^1000000.0.6",