diff --git a/package.json b/package.json
index 62b7121e..4ac7bbd8 100644
--- a/package.json
+++ b/package.json
@@ -66,8 +66,8 @@
     "gemini-scrollbar": "github:matrix-org/gemini-scrollbar#91e1e566",
     "gfm.css": "^1.1.2",
     "highlight.js": "^9.13.1",
-    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
-    "matrix-react-sdk": "github:matrix-org/matrix-react-sdk#develop",
+    "matrix-js-sdk": "5.0.0-rc.1",
+    "matrix-react-sdk": "2.1.0-rc.2",
     "olm": "https://packages.matrix.org/npm/olm/olm-3.1.4.tgz",
     "postcss-easings": "^2.0.0",
     "prop-types": "^15.7.2",
@@ -191,7 +191,9 @@
     "afterSign": "scripts/electron_afterSign.js"
   },
   "jest": {
-    "modulePathIgnorePatterns": ["<rootDir>/electron_app"],
+    "modulePathIgnorePatterns": [
+      "<rootDir>/electron_app"
+    ],
     "testEnvironment": "jest-environment-jsdom-fourteen",
     "testMatch": [
       "<rootDir>/test/**/*-test.js"
diff --git a/yarn.lock b/yarn.lock
index 9b7b59df..f2586c5b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7595,9 +7595,10 @@ mathml-tag-names@^2.1.1:
   resolved "https://registry.yarnpkg.com/mathml-tag-names/-/mathml-tag-names-2.1.1.tgz#6dff66c99d55ecf739ca53c492e626f1d12a33cc"
   integrity sha512-pWB896KPGSGkp1XtyzRBftpTzwSOL0Gfk0wLvxt4f2mgzjY19o0LxJ3U25vNWTzsh7da+KTbuXQoQ3lOJZ8WHw==
 
-"matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
-  version "4.0.0"
-  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/21e4c597d9633aef606871cf9ffffaf039142be3"
+matrix-js-sdk@5.0.0-rc.1:
+  version "5.0.0-rc.1"
+  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-5.0.0-rc.1.tgz#75a48d999b2eecdbfcc000e05123a00ae80039a7"
+  integrity sha512-g4b7Zf2Ws+yUnRCetpMqCSpesnRu0I+wAvFUYdoKhEGzSihEs6qADvV880Twcun1YFxYBjdB9I7ZfzCkGsi4Lw==
   dependencies:
     "@babel/runtime" "^7.8.3"
     another-json "^0.2.0"
@@ -7617,9 +7618,10 @@ matrix-mock-request@^1.2.3:
     bluebird "^3.5.0"
     expect "^1.20.2"
 
-"matrix-react-sdk@github:matrix-org/matrix-react-sdk#develop":
-  version "2.0.0"
-  resolved "https://codeload.github.com/matrix-org/matrix-react-sdk/tar.gz/805e9abb3981584cd941e59c5c10edc3595c38b9"
+matrix-react-sdk@2.1.0-rc.2:
+  version "2.1.0-rc.2"
+  resolved "https://registry.yarnpkg.com/matrix-react-sdk/-/matrix-react-sdk-2.1.0-rc.2.tgz#3cf74ca9af7e99931668002c78bc31b59717d61c"
+  integrity sha512-5pc8CgmkUZC95Y2eyVBexcy+Avu/qRtTk9nM7SBhHCV9lXpXjDnSSIxfgI9cYavNbJhV63bBFEUjAWd0SMZzGQ==
   dependencies:
     "@babel/runtime" "^7.8.3"
     blueimp-canvas-to-blob "^3.5.0"
@@ -7647,7 +7649,8 @@ matrix-mock-request@^1.2.3:
     is-ip "^2.0.0"
     linkifyjs "^2.1.6"
     lodash "^4.17.14"
-    matrix-js-sdk "github:matrix-org/matrix-js-sdk#develop"
+    matrix-js-sdk "5.0.0-rc.1"
+    minimist "^1.2.0"
     pako "^1.0.5"
     png-chunks-extract "^1.0.0"
     prop-types "^15.5.8"