diff --git a/package.json b/package.json
index e66d0aabcf..e5ecacd387 100644
--- a/package.json
+++ b/package.json
@@ -78,7 +78,7 @@
     "is-ip": "^2.0.0",
     "linkifyjs": "^2.1.9",
     "lodash": "^4.17.19",
-    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
+    "matrix-js-sdk": "8.5.0-rc.1",
     "matrix-widget-api": "^0.1.0-beta.2",
     "minimist": "^1.2.5",
     "pako": "^1.0.11",
diff --git a/yarn.lock b/yarn.lock
index 51ff681783..a2c5cd6645 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5926,9 +5926,10 @@ mathml-tag-names@^2.0.1:
   resolved "https://registry.yarnpkg.com/mathml-tag-names/-/mathml-tag-names-2.1.3.tgz#4ddadd67308e780cf16a47685878ee27b736a0a3"
   integrity sha512-APMBEanjybaPzUrfqU0IMU5I0AswKMH7k8OTLs0vvV4KZpExkTkY87nR/zpbuTPj+gARop7aGUbl11pnDfW6xg==
 
-"matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
-  version "8.4.1"
-  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/a9a6b2de48250440dc2a1c3eee630f4957fb9f83"
+matrix-js-sdk@8.5.0-rc.1:
+  version "8.5.0-rc.1"
+  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-8.5.0-rc.1.tgz#7ad34d8b6a786a7d4a04173e3b17da56022cd62a"
+  integrity sha512-hVFYkN3/rsPiNXdFqcvRvg+Egr75qhPGMi2gp59PDr7JrZEtOACA0I3NCY1vPub9kXGTtPZqPuHGFrsF9qLXGw==
   dependencies:
     "@babel/runtime" "^7.11.2"
     another-json "^0.2.0"