diff --git a/package.json b/package.json
index 3fb73e63b..b5818cd36 100644
--- a/package.json
+++ b/package.json
@@ -54,6 +54,7 @@
   "dependencies": {
     "@journeyapps/sqlcipher": "https://github.com/scottnonnenberg-signal/node-sqlcipher.git#2e28733b61640556b0272a3bfc78b0357daf71e6",
     "@sindresorhus/is": "0.8.0",
+    "@types/dompurify": "^2.0.0",
     "backbone": "1.3.3",
     "blob-util": "1.3.0",
     "blueimp-canvas-to-blob": "3.14.0",
@@ -63,6 +64,7 @@
     "classnames": "2.2.5",
     "color": "^3.1.2",
     "config": "1.28.1",
+    "dompurify": "^2.0.7",
     "electron-context-menu": "^0.15.0",
     "electron-editor-context-menu": "1.1.1",
     "electron-is-dev": "0.3.0",