diff --git a/package.json b/package.json
index f037a005f1..ae7058cae9 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "gfm.css": "^1.1.2",
     "jsrsasign": "^10.5.25",
     "katex": "^0.16.0",
-    "matrix-js-sdk": "21.0.0-rc.2",
+    "matrix-js-sdk": "21.0.0",
     "matrix-react-sdk": "3.59.0-rc.2",
     "matrix-widget-api": "^1.1.1",
     "prop-types": "^15.7.2",
diff --git a/yarn.lock b/yarn.lock
index 1ba7e71ceb..0ff8fd5a92 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8165,6 +8165,21 @@ matrix-events-sdk@^0.0.1-beta.7:
   resolved "https://registry.yarnpkg.com/matrix-events-sdk/-/matrix-events-sdk-0.0.1-beta.7.tgz#5ffe45eba1f67cc8d7c2377736c728b322524934"
   integrity sha512-9jl4wtWanUFSy2sr2lCjErN/oC8KTAtaeaozJtrgot1JiQcEI4Rda9OLgQ7nLKaqb4Z/QUx/fR3XpDzm5Jy1JA==
 
+matrix-js-sdk@21.0.0:
+  version "21.0.0"
+  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-21.0.0.tgz#e81d7c64d370ba9f3dddf6f4cfb7d4ae2e7174e1"
+  integrity sha512-x4mUdp+ozWHrfm6qBiAxq3htQJWza0AMqdmaDOCr7/74U3cUcwCZrKOdKA7IHWN9W0WrpzJ9TG/ZA2hDKB5FJA==
+  dependencies:
+    "@babel/runtime" "^7.12.5"
+    another-json "^0.2.0"
+    bs58 "^5.0.0"
+    content-type "^1.0.4"
+    loglevel "^1.7.1"
+    matrix-events-sdk "^0.0.1-beta.7"
+    p-retry "4"
+    qs "^6.9.6"
+    unhomoglyph "^1.0.6"
+
 matrix-js-sdk@21.0.0-rc.2:
   version "21.0.0-rc.2"
   resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-21.0.0-rc.2.tgz#5f7ebcecd623a49533e6d599e7149d6d52003fb3"