diff --git a/package.json b/package.json
index ca89607801..c566575fbd 100644
--- a/package.json
+++ b/package.json
@@ -81,7 +81,7 @@
     "katex": "^0.12.0",
     "linkifyjs": "^2.1.9",
     "lodash": "^4.17.19",
-    "matrix-js-sdk": "9.5.1",
+    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
     "matrix-widget-api": "0.1.0-beta.11",
     "minimist": "^1.2.5",
     "pako": "^1.0.11",
diff --git a/yarn.lock b/yarn.lock
index 49b8ac80d7..2303284796 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6558,10 +6558,9 @@ 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@9.5.1:
+"matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
   version "9.5.1"
-  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-9.5.1.tgz#f2e27b7131a8d1a75fd2a803434e63fe672415ef"
-  integrity sha512-01YbRuU50BDYytTZ5fdmdoQLqOGDT2F7X6vDBrYHpdaRN2jWuLCspQlOKFJKgv73gNhw9V9jfoZN+NxuwuUpUQ==
+  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/7cfbd0da95edc66671e166aa83145b5e17ca76fc"
   dependencies:
     "@babel/runtime" "^7.12.5"
     another-json "^0.2.0"
@@ -6569,7 +6568,7 @@ matrix-js-sdk@9.5.1:
     bs58 "^4.0.1"
     content-type "^1.0.4"
     loglevel "^1.7.1"
-    qs "^6.9.4"
+    qs "^6.9.6"
     request "^2.88.2"
     unhomoglyph "^1.0.6"
 
@@ -7666,6 +7665,11 @@ qs@^6.9.4:
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.9.4.tgz#9090b290d1f91728d3c22e54843ca44aea5ab687"
   integrity sha512-A1kFqHekCTM7cz0udomYUoYNWjBebHm/5wzU/XqrBRBNWectVH0QIiN+NEcZ0Dte5hvzHwbr8+XQmguPhJ6WdQ==
 
+qs@^6.9.6:
+  version "6.9.6"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.9.6.tgz#26ed3c8243a431b2924aca84cc90471f35d5a0ee"
+  integrity sha512-TIRk4aqYLNoJUbd+g2lEdz5kLWIuTMRagAXxl78Q0RiVjAOugHmeKNGdd3cwo/ktpf9aL9epCfFqWDEKysUlLQ==
+
 qs@~6.5.2:
   version "6.5.2"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"