diff --git a/package.json b/package.json
index 26a88bd0d9..8fe928f162 100644
--- a/package.json
+++ b/package.json
@@ -82,7 +82,7 @@
     "katex": "^0.12.0",
     "linkifyjs": "^2.1.9",
     "lodash": "^4.17.20",
-    "matrix-js-sdk": "12.4.0-rc.1",
+    "matrix-js-sdk": "12.4.0",
     "matrix-widget-api": "^0.1.0-beta.15",
     "minimist": "^1.2.5",
     "opus-recorder": "^8.0.3",
diff --git a/yarn.lock b/yarn.lock
index 74883d7059..7fe5e3c143 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5801,10 +5801,10 @@ 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@12.4.0-rc.1:
-  version "12.4.0-rc.1"
-  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-12.4.0-rc.1.tgz#6eee9f159bcc5dd968346a9ce5c7b7427636f57c"
-  integrity sha512-6AGIEJvgWlNYyzxPj/V13s9JUg8zsiJ9Hyj6yTpDahufkAUT5yhpFzdPNNRaLlVxHox5HlwJJBdyNQtML727Og==
+matrix-js-sdk@12.4.0:
+  version "12.4.0"
+  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-12.4.0.tgz#ff60306f9a9e39fd1ae6c7e501001f80eb779dd7"
+  integrity sha512-KamHmvNle4mkdErmNgVsGIL3n8/zgPe60DLVaEA2t4aSNwQLEmRS+oVpIgsO3ZrUivBvn4oc9sBqxP0OIl6kUg==
   dependencies:
     "@babel/runtime" "^7.12.5"
     another-json "^0.2.0"