diff --git a/package.json b/package.json
index 5c5c9cce80..8cda349e03 100644
--- a/package.json
+++ b/package.json
@@ -80,7 +80,7 @@
     "is-ip": "^2.0.0",
     "linkifyjs": "^2.1.6",
     "lodash": "^4.17.14",
-    "matrix-js-sdk": "5.1.1",
+    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
     "minimist": "^1.2.0",
     "pako": "^1.0.5",
     "png-chunks-extract": "^1.0.0",
diff --git a/yarn.lock b/yarn.lock
index 9794a93612..ac511949ce 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5688,10 +5688,9 @@ 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@5.1.1:
+"matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
   version "5.1.1"
-  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-5.1.1.tgz#d93c2db08acf07e894fb85345d3eaa8d4736b56c"
-  integrity sha512-zCkylD/oia9v/9Fbx54k/aBNd3szDflscViXq0gf2fQlKzTJRT3LoCAXZ9Uwr7gJ8AE8kFquyZ7revk3Y5YmPQ==
+  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/b2e154377a4268441a3b27b183dd7f7018187035"
   dependencies:
     "@babel/runtime" "^7.8.3"
     another-json "^0.2.0"