diff --git a/package.json b/package.json
index e185a9027d..d89f29e958 100644
--- a/package.json
+++ b/package.json
@@ -67,7 +67,7 @@
     "isomorphic-fetch": "^2.2.1",
     "linkifyjs": "^2.1.3",
     "lodash": "^4.13.1",
-    "matrix-js-sdk": "0.8.4",
+    "matrix-js-sdk": "0.8.5-rc.1",
     "optimist": "^0.6.1",
     "prop-types": "^15.5.8",
     "react": "^15.4.0",