diff --git a/package.json b/package.json
index 81cf8f8873..e342b9a0e2 100644
--- a/package.json
+++ b/package.json
@@ -80,7 +80,7 @@
     "katex": "^0.12.0",
     "linkifyjs": "^2.1.9",
     "lodash": "^4.17.19",
-    "matrix-js-sdk": "9.4.0",
+    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
     "matrix-widget-api": "^0.1.0-beta.10",
     "minimist": "^1.2.5",
     "pako": "^1.0.11",
diff --git a/yarn.lock b/yarn.lock
index 56bbfb1249..9681f9a7a4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6512,10 +6512,9 @@ mathml-tag-names@^2.0.1:
   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:
+"matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
   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==
+  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/5b1e3537cc8821f508473d98b5d286dedb7ed3ab"
   dependencies:
     "@babel/runtime" "^7.12.5"
     another-json "^0.2.0"