diff --git a/package.json b/package.json
index 71f6062c..01db8709 100644
--- a/package.json
+++ b/package.json
@@ -64,8 +64,8 @@
     "gemini-scrollbar": "matrix-org/gemini-scrollbar#b302279",
     "gfm.css": "^1.1.1",
     "highlight.js": "^9.0.0",
-    "matrix-js-sdk": "0.10.4",
-    "matrix-react-sdk": "0.12.7",
+    "matrix-js-sdk": "0.10.5-rc.1",
+    "matrix-react-sdk": "0.12.8-rc.1",
     "modernizr": "^3.1.0",
     "prop-types": "^15.5.10",
     "react": "^15.6.0",