diff --git a/package.json b/package.json
index 04e011d810..ee9d06e2a7 100644
--- a/package.json
+++ b/package.json
@@ -73,7 +73,7 @@
         "gfm.css": "^1.1.2",
         "jsrsasign": "^10.5.25",
         "katex": "^0.16.0",
-        "matrix-js-sdk": "25.1.0",
+        "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
         "matrix-react-sdk": "3.72.0",
         "matrix-widget-api": "^1.3.1",
         "react": "17.0.2",
diff --git a/yarn.lock b/yarn.lock
index a92b6fe95c..1ee4081bf9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1574,6 +1574,11 @@
   resolved "https://registry.yarnpkg.com/@matrix-org/matrix-sdk-crypto-js/-/matrix-sdk-crypto-js-0.1.0-alpha.7.tgz#136375b84fd8a7e698f70fc969f668e541a61313"
   integrity sha512-sQEG9cSfNji5NYBf5h7j5IxYVO0dwtAKoetaVyR+LhIXz/Su7zyEE3EwlAWAeJOFdAV/vZ5LTNyh39xADuNlTg==
 
+"@matrix-org/matrix-sdk-crypto-js@^0.1.0-alpha.8":
+  version "0.1.0-alpha.8"
+  resolved "https://registry.yarnpkg.com/@matrix-org/matrix-sdk-crypto-js/-/matrix-sdk-crypto-js-0.1.0-alpha.8.tgz#18dd8e7fb56602d2999d8a502b49e902a2bb3782"
+  integrity sha512-hdmbbGXKrN6JNo3wdBaR5Zs3lXlzllT3U43ViNTlabB3nKkOZQnEAN/Isv+4EQSgz1+8897veI9Q8sqlQX22oA==
+
 "@matrix-org/matrix-wysiwyg@^2.0.0":
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/@matrix-org/matrix-wysiwyg/-/matrix-wysiwyg-2.0.0.tgz#913eb5faa5d43c7a4ee9bda68de1aa1dcc49a11d"
@@ -8263,6 +8268,23 @@ matrix-js-sdk@25.1.0:
     unhomoglyph "^1.0.6"
     uuid "9"
 
+"matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
+  version "25.1.0"
+  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/73ca9c9ed28847454e13da358c581769e695ff42"
+  dependencies:
+    "@babel/runtime" "^7.12.5"
+    "@matrix-org/matrix-sdk-crypto-js" "^0.1.0-alpha.8"
+    another-json "^0.2.0"
+    bs58 "^5.0.0"
+    content-type "^1.0.4"
+    loglevel "^1.7.1"
+    matrix-events-sdk "0.0.1"
+    matrix-widget-api "^1.3.1"
+    p-retry "4"
+    sdp-transform "^2.14.1"
+    unhomoglyph "^1.0.6"
+    uuid "9"
+
 matrix-mock-request@^2.5.0:
   version "2.6.0"
   resolved "https://registry.yarnpkg.com/matrix-mock-request/-/matrix-mock-request-2.6.0.tgz#0855c10b250668ce542b697251087be2bcc23f92"