diff --git a/package.json b/package.json
index 2b9ab04316..5bcd0704c9 100644
--- a/package.json
+++ b/package.json
@@ -61,7 +61,7 @@
     "highlight.js": "^10.5.0",
     "jsrsasign": "^10.2.0",
     "katex": "^0.12.0",
-    "matrix-js-sdk": "12.3.1",
+    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
     "matrix-react-sdk": "3.28.1",
     "matrix-widget-api": "^0.1.0-beta.15",
     "prop-types": "^15.7.2",
diff --git a/yarn.lock b/yarn.lock
index 69992ad89d..ea918b6f89 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1452,6 +1452,13 @@
   dependencies:
     "@octokit/openapi-types" "^9.3.0"
 
+"@octokit/types@^6.24.0", "@octokit/types@^6.25.0":
+  version "6.25.0"
+  resolved "https://registry.yarnpkg.com/@octokit/types/-/types-6.25.0.tgz#c8e37e69dbe7ce55ed98ee63f75054e7e808bf1a"
+  integrity sha512-bNvyQKfngvAd/08COlYIN54nRgxskmejgywodizQNyiKoXmWRAjKup2/LYwm+T9V0gsKH6tuld1gM0PzmOiB4Q==
+  dependencies:
+    "@octokit/openapi-types" "^9.5.0"
+
 "@pmmmwh/react-refresh-webpack-plugin@^0.4.3":
   version "0.4.3"
   resolved "https://registry.yarnpkg.com/@pmmmwh/react-refresh-webpack-plugin/-/react-refresh-webpack-plugin-0.4.3.tgz#1eec460596d200c0236bf195b078a5d1df89b766"
@@ -1464,13 +1471,6 @@
     schema-utils "^2.6.5"
     source-map "^0.7.3"
 
-"@octokit/types@^6.24.0", "@octokit/types@^6.25.0":
-  version "6.25.0"
-  resolved "https://registry.yarnpkg.com/@octokit/types/-/types-6.25.0.tgz#c8e37e69dbe7ce55ed98ee63f75054e7e808bf1a"
-  integrity sha512-bNvyQKfngvAd/08COlYIN54nRgxskmejgywodizQNyiKoXmWRAjKup2/LYwm+T9V0gsKH6tuld1gM0PzmOiB4Q==
-  dependencies:
-    "@octokit/openapi-types" "^9.5.0"
-
 "@principalstudio/html-webpack-inject-preload@^1.2.7":
   version "1.2.7"
   resolved "https://registry.yarnpkg.com/@principalstudio/html-webpack-inject-preload/-/html-webpack-inject-preload-1.2.7.tgz#0c1f0b32a34d814b36ce84111f89990441cc64e8"
@@ -7630,6 +7630,21 @@ matrix-js-sdk@12.3.1:
     request "^2.88.2"
     unhomoglyph "^1.0.6"
 
+"matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
+  version "12.3.1"
+  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/3216d7e5a7a333212b00d4d7578e29a9f0e247d8"
+  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"
+    p-retry "^4.5.0"
+    qs "^6.9.6"
+    request "^2.88.2"
+    unhomoglyph "^1.0.6"
+
 matrix-mock-request@^1.2.3:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/matrix-mock-request/-/matrix-mock-request-1.2.3.tgz#56b15d86e2601a9b48a854844396d18caab649c8"