diff --git a/package.json b/package.json
index 516b75524c..1e0b7ef8d3 100644
--- a/package.json
+++ b/package.json
@@ -83,7 +83,7 @@
     "katex": "^0.12.0",
     "linkifyjs": "^2.1.9",
     "lodash": "^4.17.20",
-    "matrix-js-sdk": "15.0.0",
+    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
     "matrix-widget-api": "^0.1.0-beta.16",
     "minimist": "^1.2.5",
     "opus-recorder": "^8.0.3",
diff --git a/yarn.lock b/yarn.lock
index ce878689d7..310ddf616f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5869,10 +5869,9 @@ 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@15.0.0:
+"matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
   version "15.0.0"
-  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-15.0.0.tgz#b28975074d7a938770d8f40ad0088bb476a6bdcf"
-  integrity sha512-IgpmPY3DVD3Oj+TRIWsxZCTnKU2J8iVry5a7qIXelsroCxcV5/FKs/C3kphv+nFF0afMBdLLwj+n3Hlf1tdjuA==
+  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/f0091fa81149eed4fd2d0d82be7b820238cd5a1a"
   dependencies:
     "@babel/runtime" "^7.12.5"
     another-json "^0.2.0"