diff --git a/package.json b/package.json
index 099bf49bb3..1b633acb04 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "highlight.js": "^10.5.0",
     "jsrsasign": "^10.1.5",
     "katex": "^0.12.0",
-    "matrix-js-sdk": "11.0.0",
+    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
     "matrix-react-sdk": "3.21.0",
     "matrix-widget-api": "^0.1.0-beta.13",
     "olm": "https://packages.matrix.org/npm/olm/olm-3.2.1.tgz",
diff --git a/yarn.lock b/yarn.lock
index 94a6f487fc..5ac40769f8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7663,6 +7663,20 @@ matrix-js-sdk@11.0.0:
     request "^2.88.2"
     unhomoglyph "^1.0.6"
 
+"matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
+  version "11.0.0"
+  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/52a893a8116d60bb76f1b015d3161a15404b3628"
+  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 "^6.9.6"
+    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"