diff --git a/package.json b/package.json
index e26ce17f42..13047b69cf 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
     "katex": "^0.12.0",
     "linkifyjs": "^2.1.9",
     "lodash": "^4.17.20",
-    "matrix-js-sdk": "11.1.0",
+    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
     "matrix-widget-api": "^0.1.0-beta.14",
     "minimist": "^1.2.5",
     "opus-recorder": "^8.0.3",
diff --git a/yarn.lock b/yarn.lock
index ff7611da84..35aac66e26 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5673,10 +5673,9 @@ mathml-tag-names@^2.1.3:
   resolved "https://registry.yarnpkg.com/mathml-tag-names/-/mathml-tag-names-2.1.3.tgz#4ddadd67308e780cf16a47685878ee27b736a0a3"
   integrity sha512-APMBEanjybaPzUrfqU0IMU5I0AswKMH7k8OTLs0vvV4KZpExkTkY87nR/zpbuTPj+gARop7aGUbl11pnDfW6xg==
 
-matrix-js-sdk@11.1.0:
+"matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
   version "11.1.0"
-  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-11.1.0.tgz#59119f9fe76adbc38b309947c5532baea8499bf1"
-  integrity sha512-yBvSGb33MDz9mfbjtVGO7557kgtY/kJcrFyhtN7LwSyi/TDhhYleq5xAqsi7MJrmIb/E0JIF10JIwlF9dAW64Q==
+  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/acb9bc8cc5234326a7583514a8e120a4ac42eedc"
   dependencies:
     "@babel/runtime" "^7.12.5"
     another-json "^0.2.0"