diff --git a/package.json b/package.json
index afeb2c0155..23012f3a1c 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "highlight.js": "^10.4.1",
     "jsrsasign": "^9.1.5",
     "katex": "^0.12.0",
-    "matrix-js-sdk": "9.4.0-rc.2",
+    "matrix-js-sdk": "9.4.0",
     "matrix-react-sdk": "3.11.0-rc.2",
     "matrix-widget-api": "^0.1.0-beta.10",
     "olm": "https://packages.matrix.org/npm/olm/olm-3.2.1.tgz",
diff --git a/yarn.lock b/yarn.lock
index e58f04678f..bc5bd019fa 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7925,6 +7925,21 @@ mathml-tag-names@^2.1.1:
   resolved "https://registry.yarnpkg.com/mathml-tag-names/-/mathml-tag-names-2.1.3.tgz#4ddadd67308e780cf16a47685878ee27b736a0a3"
   integrity sha512-APMBEanjybaPzUrfqU0IMU5I0AswKMH7k8OTLs0vvV4KZpExkTkY87nR/zpbuTPj+gARop7aGUbl11pnDfW6xg==
 
+matrix-js-sdk@9.4.0:
+  version "9.4.0"
+  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-9.4.0.tgz#86bd3e0d974ea5b1351a40c01d3e0d7d0ca76fe3"
+  integrity sha512-VN52M1M4VeXCHr9cmdzAwDEcPsIjPSykZQmJG1haL5KG792jT35f95+Vbp7v0c8Mai57vbEhoC8GugA9u+qV7Q==
+  dependencies:
+    "@babel/runtime" "^7.12.5"
+    another-json "^0.2.0"
+    browser-request "^0.3.3"
+    bs58 "^4.0.1"
+    content-type "^1.0.4"
+    loglevel "^1.7.1"
+    qs "^6.9.4"
+    request "^2.88.2"
+    unhomoglyph "^1.0.6"
+
 matrix-js-sdk@9.4.0-rc.2:
   version "9.4.0-rc.2"
   resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-9.4.0-rc.2.tgz#8cd0eb9a76445c63e152ff7c8eb708513a67481e"