diff --git a/package.json b/package.json
index a34924d72c..284fd0752d 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "gfm.css": "^1.1.2",
     "jsrsasign": "^10.5.25",
     "katex": "^0.16.0",
-    "matrix-js-sdk": "21.0.0",
+    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
     "matrix-react-sdk": "3.59.0",
     "matrix-widget-api": "^1.1.1",
     "prop-types": "^15.7.2",
diff --git a/yarn.lock b/yarn.lock
index d5f687e1a1..14716fcc71 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2874,16 +2874,6 @@ await-lock@^2.1.0:
   resolved "https://registry.yarnpkg.com/await-lock/-/await-lock-2.2.2.tgz#a95a9b269bfd2f69d22b17a321686f551152bcef"
   integrity sha512-aDczADvlvTGajTDjcjpJMqRkOF6Qdz3YbPZm/PyW6tKPkx2hlYBzxMhEywM/tU72HrVZjgl5VCdRuMlA7pZ8Gw==
 
-aws-sign2@~0.7.0:
-  version "0.7.0"
-  resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.7.0.tgz#b46e890934a9591f2d2f6f86d7e6a9f1b3fe76a8"
-  integrity sha512-08kcGqnYf/YmjoRhfxyu+CLxBjUtHLXLXX/vUfx9l2LYzG3c1m61nrpyFUZI6zeS+Li/wWMMidD9KgrqtGq3mA==
-
-aws4@^1.8.0:
-  version "1.11.0"
-  resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.11.0.tgz#d61f46d83b2519250e2784daf5b09479a8b41c59"
-  integrity sha512-xh1Rl34h6Fi1DC2WWKfxUTVqRsNnr6LsKz2+hfwDxQJWmrx8+c7ylaqBMcHfl1U1r2dsifOvKX3LQuLNZ+XSvA==
-
 babel-jest@^29.0.0, babel-jest@^29.2.1:
   version "29.2.1"
   resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-29.2.1.tgz#213c47e28072de11bdb98c9d29b89f2ab99664f1"
@@ -8196,6 +8186,20 @@ matrix-js-sdk@21.0.0:
     qs "^6.9.6"
     unhomoglyph "^1.0.6"
 
+"matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
+  version "21.0.0"
+  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/4b3e6939d6dbfb72c9637d18d6346796bc6f997f"
+  dependencies:
+    "@babel/runtime" "^7.12.5"
+    another-json "^0.2.0"
+    bs58 "^5.0.0"
+    content-type "^1.0.4"
+    loglevel "^1.7.1"
+    matrix-events-sdk "^0.0.1-beta.7"
+    p-retry "4"
+    qs "^6.9.6"
+    unhomoglyph "^1.0.6"
+
 matrix-mock-request@^2.5.0:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/matrix-mock-request/-/matrix-mock-request-2.5.0.tgz#78da2590e82be2e31edcf9814833af5e5f8d2f1a"