diff --git a/package.json b/package.json
index 28c07776e..fc579c65e 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "gfm.css": "^1.1.2",
     "jsrsasign": "^10.2.0",
     "katex": "^0.12.0",
-    "matrix-js-sdk": "15.5.0",
+    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
     "matrix-react-sdk": "3.39.0",
     "matrix-widget-api": "^0.1.0-beta.18",
     "prop-types": "^15.7.2",
diff --git a/yarn.lock b/yarn.lock
index 8c4e17609..123f1ccd6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8047,7 +8047,7 @@ 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-analytics-events@github:matrix-org/matrix-analytics-events#1eab4356548c97722a183912fda1ceabbe8cc7c1":
+"matrix-analytics-events@github:matrix-org/matrix-analytics-events.git#1eab4356548c97722a183912fda1ceabbe8cc7c1":
   version "0.0.1"
   resolved "https://codeload.github.com/matrix-org/matrix-analytics-events/tar.gz/1eab4356548c97722a183912fda1ceabbe8cc7c1"
 
@@ -8073,6 +8073,22 @@ matrix-js-sdk@15.5.0:
     request "^2.88.2"
     unhomoglyph "^1.0.6"
 
+"matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
+  version "15.5.0"
+  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/cf8d2bf6efc5c6cebd87926c1c8041363c0ff350"
+  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"
+    matrix-events-sdk "^0.0.1-beta.6"
+    p-retry "^4.5.0"
+    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"