diff --git a/package.json b/package.json
index 73ebc00950..bcbd89fa9b 100644
--- a/package.json
+++ b/package.json
@@ -76,6 +76,7 @@
     "react-dom": "^15.4.0",
     "react-gemini-scrollbar": "matrix-org/react-gemini-scrollbar#5e97aef",
     "sanitize-html": "^1.11.1",
+    "text-encoding-utf-8": "^1.0.1",
     "ua-parser-js": "^0.7.10",
     "url": "^0.11.0"
   },