diff --git a/package.json b/package.json
index 0a3fd7a8b7..ca7d6ee0b7 100644
--- a/package.json
+++ b/package.json
@@ -77,6 +77,7 @@
     "html-entities": "^1.3.1",
     "is-ip": "^2.0.0",
     "katex": "^0.12.0",
+    "cheerio": "^1.0.0-rc.3",
     "linkifyjs": "^2.1.9",
     "lodash": "^4.17.19",
     "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",