diff --git a/package.json b/package.json
index 02a59ee459..7a58a228f9 100644
--- a/package.json
+++ b/package.json
@@ -74,7 +74,7 @@
         "gfm.css": "^1.1.2",
         "jsrsasign": "^10.5.25",
         "katex": "^0.16.0",
-        "matrix-js-sdk": "26.1.0",
+        "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
         "matrix-react-sdk": "3.74.0",
         "matrix-widget-api": "^1.3.1",
         "react": "17.0.2",
diff --git a/yarn.lock b/yarn.lock
index e4d6693fb6..c093e4f57f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8355,6 +8355,23 @@ matrix-js-sdk@26.1.0:
     unhomoglyph "^1.0.6"
     uuid "9"
 
+"matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
+  version "26.1.0"
+  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/b77fe465f75fc0c273e22d6ff8bde658f35a68b6"
+  dependencies:
+    "@babel/runtime" "^7.12.5"
+    "@matrix-org/matrix-sdk-crypto-js" "^0.1.0-alpha.10"
+    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"