diff --git a/package.json b/package.json
index 4951b7042c..3f073ce59c 100644
--- a/package.json
+++ b/package.json
@@ -78,7 +78,7 @@
     "is-ip": "^2.0.0",
     "linkifyjs": "^2.1.9",
     "lodash": "^4.17.19",
-    "matrix-js-sdk": "8.5.0",
+    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
     "matrix-widget-api": "^0.1.0-beta.3",
     "minimist": "^1.2.5",
     "pako": "^1.0.11",
diff --git a/yarn.lock b/yarn.lock
index 92f27c626d..1f06fd6130 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6500,10 +6500,9 @@ mathml-tag-names@^2.0.1:
   resolved "https://registry.yarnpkg.com/mathml-tag-names/-/mathml-tag-names-2.1.3.tgz#4ddadd67308e780cf16a47685878ee27b736a0a3"
   integrity sha512-APMBEanjybaPzUrfqU0IMU5I0AswKMH7k8OTLs0vvV4KZpExkTkY87nR/zpbuTPj+gARop7aGUbl11pnDfW6xg==
 
-matrix-js-sdk@8.5.0:
+"matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
   version "8.5.0"
-  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-8.5.0.tgz#02d77e0e95fe32dcc74e0a94707f9103badfdca5"
-  integrity sha512-RJCqK/QkesL+63rX4C4mShEFw/ZR20D1UMw1RKY8pQhv1/7Skz+v5BTv/UCqG45E3rRYMarNOwy13CZ+yq33FA==
+  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/d8c4101fdd521e189f4755c6f02a8971b991ef5f"
   dependencies:
     "@babel/runtime" "^7.11.2"
     another-json "^0.2.0"