diff --git a/package.json b/package.json
index e275e4aea..3fbdef1b7 100644
--- a/package.json
+++ b/package.json
@@ -61,8 +61,8 @@
     "highlight.js": "^10.5.0",
     "jsrsasign": "^10.2.0",
     "katex": "^0.12.0",
-    "matrix-js-sdk": "12.3.0-rc.1",
-    "matrix-react-sdk": "3.28.0-rc.1",
+    "matrix-js-sdk": "12.3.0",
+    "matrix-react-sdk": "3.28.0",
     "matrix-widget-api": "^0.1.0-beta.15",
     "prop-types": "^15.7.2",
     "react": "^17.0.2",
diff --git a/yarn.lock b/yarn.lock
index ee57787fe..bc0cf0c17 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7595,10 +7595,10 @@ mathml-tag-names@^2.1.3:
   resolved "https://registry.yarnpkg.com/mathml-tag-names/-/mathml-tag-names-2.1.3.tgz#4ddadd67308e780cf16a47685878ee27b736a0a3"
   integrity sha512-APMBEanjybaPzUrfqU0IMU5I0AswKMH7k8OTLs0vvV4KZpExkTkY87nR/zpbuTPj+gARop7aGUbl11pnDfW6xg==
 
-matrix-js-sdk@12.3.0-rc.1:
-  version "12.3.0-rc.1"
-  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-12.3.0-rc.1.tgz#9e192f7bffb08d68deb1298e46082eda3273c6ee"
-  integrity sha512-sqvc5+y289qnoqFvq32XDiWFu3NPKOmmTTV6fB+OdtkP3VvU8In+6sXYWqY3Xz7ZD4nY+At6AijQmDPn2seJwQ==
+matrix-js-sdk@12.3.0:
+  version "12.3.0"
+  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-12.3.0.tgz#b4de14e9c26257e3137eb020b6b13678b01e37d7"
+  integrity sha512-ywdlpVnwTiddLCvh/sKaZ0/0CVTqqbKPsfpsKduH9GWzwXA/Jrkwt//ryU8l9MjJTrjLnwxTYgnjZgeEp4h5kQ==
   dependencies:
     "@babel/runtime" "^7.12.5"
     another-json "^0.2.0"
@@ -7619,10 +7619,10 @@ matrix-mock-request@^1.2.3:
     bluebird "^3.5.0"
     expect "^1.20.2"
 
-matrix-react-sdk@3.28.0-rc.1:
-  version "3.28.0-rc.1"
-  resolved "https://registry.yarnpkg.com/matrix-react-sdk/-/matrix-react-sdk-3.28.0-rc.1.tgz#c9e4ef8c8c0a329dc3039214ee5e8d4a50fbed48"
-  integrity sha512-2xvCV2wA7VOe2k4R7aMUflVzt1l68s+zeRJEzoEZOQZ88vLm7mwl3HolzKdQuorof/rBHUXoeBHnp0JxstHXgg==
+matrix-react-sdk@3.28.0:
+  version "3.28.0"
+  resolved "https://registry.yarnpkg.com/matrix-react-sdk/-/matrix-react-sdk-3.28.0.tgz#c3cda39a5f25843f1c342979fdd89584a3fd00f4"
+  integrity sha512-GGwotGvpwPe3MKESeTEgqQr7sJAXJCrex0B+g1JieSc/vNyecwZSgKzMQ7HvgOPSsSQuMK9/vL34180d5md0xA==
   dependencies:
     "@babel/runtime" "^7.12.5"
     await-lock "^2.1.0"
@@ -7650,7 +7650,7 @@ matrix-react-sdk@3.28.0-rc.1:
     katex "^0.12.0"
     linkifyjs "^2.1.9"
     lodash "^4.17.20"
-    matrix-js-sdk "12.3.0-rc.1"
+    matrix-js-sdk "12.3.0"
     matrix-widget-api "^0.1.0-beta.15"
     minimist "^1.2.5"
     opus-recorder "^8.0.3"