diff --git a/plugins/techdocs/package.json b/plugins/techdocs/package.json
index 6b879a2d78..ed21ea8713 100644
--- a/plugins/techdocs/package.json
+++ b/plugins/techdocs/package.json
@@ -27,11 +27,13 @@
     "@material-ui/core": "^4.9.1",
     "@material-ui/icons": "^4.9.1",
     "@material-ui/lab": "4.0.0-alpha.45",
+    "@types/sanitize-html": "^1.23.3",
     "react": "^16.13.1",
     "react-dom": "^16.13.1",
     "react-router": "6.0.0-beta.0",
     "react-router-dom": "6.0.0-beta.0",
-    "react-use": "^14.2.0"
+    "react-use": "^14.2.0",
+    "sanitize-html": "^1.27.0"
   },
   "devDependencies": {
     "@backstage/cli": "^0.1.1-alpha.12",