diff --git a/package.json b/package.json
index 78ad8993..223672b8 100644
--- a/package.json
+++ b/package.json
@@ -37,8 +37,8 @@
     "gfm.css": "^1.1.1",
     "highlight.js": "^9.0.0",
     "linkifyjs": "^2.0.0-beta.4",
-    "matrix-js-sdk": "^0.5.1",
-    "matrix-react-sdk": "^0.4.0",
+    "matrix-js-sdk": "matrix-org/matrix-js-sdk#develop",
+    "matrix-react-sdk": "matrix-org/matrix-react-sdk#develop",
     "modernizr": "^3.1.0",
     "q": "^1.4.1",
     "react": "^0.14.2",