diff --git a/package.json b/package.json
index 147ed90535..03659e0a7e 100644
--- a/package.json
+++ b/package.json
@@ -61,8 +61,8 @@
     "gfm.css": "^1.1.2",
     "jsrsasign": "^10.5.25",
     "katex": "^0.16.0",
-    "matrix-js-sdk": "19.6.0",
-    "matrix-react-sdk": "3.55.0",
+    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
+    "matrix-react-sdk": "github:matrix-org/matrix-react-sdk#develop",
     "matrix-widget-api": "^1.1.1",
     "prop-types": "^15.7.2",
     "react": "17.0.2",
diff --git a/yarn.lock b/yarn.lock
index 670030a935..9c5a51cec2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8266,10 +8266,9 @@ matrix-events-sdk@^0.0.1-beta.7:
   resolved "https://registry.yarnpkg.com/matrix-events-sdk/-/matrix-events-sdk-0.0.1-beta.7.tgz#5ffe45eba1f67cc8d7c2377736c728b322524934"
   integrity sha512-9jl4wtWanUFSy2sr2lCjErN/oC8KTAtaeaozJtrgot1JiQcEI4Rda9OLgQ7nLKaqb4Z/QUx/fR3XpDzm5Jy1JA==
 
-matrix-js-sdk@19.6.0:
+"matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
   version "19.6.0"
-  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-19.6.0.tgz#8e531b4d140f98f5c3d8c2aca1e7fae2ef839f3e"
-  integrity sha512-VU+FTixX+NfWeUbFNR1I0+RUQlXJCoYrg+qDcYje0faalcRN2zWJmS2KWD0hXIqXQS2q44zbPc7WzpPjd0ToAQ==
+  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/45348a354eb275fe79f4a5ff7407a76dacdcc526"
   dependencies:
     "@babel/runtime" "^7.12.5"
     another-json "^0.2.0"
@@ -8290,17 +8289,15 @@ matrix-mock-request@^2.0.0:
   dependencies:
     expect "^28.1.0"
 
-matrix-react-sdk@3.55.0:
+"matrix-react-sdk@github:matrix-org/matrix-react-sdk#develop":
   version "3.55.0"
-  resolved "https://registry.yarnpkg.com/matrix-react-sdk/-/matrix-react-sdk-3.55.0.tgz#949a43167a2f3db44a520c2957ae356cd6aa0b6e"
-  integrity sha512-V6om14XA1UBQ3c3Xo4nfQpgiCOIqddFCy1eP38lytMH3+OLVlYvnztexvHtXtqFJbb7iW6xDAT89e+sPw3HziA==
+  resolved "https://codeload.github.com/matrix-org/matrix-react-sdk/tar.gz/c14191bfb6200f58b78d6a45bc0ff01d32eaa7af"
   dependencies:
     "@babel/runtime" "^7.12.5"
     "@matrix-org/analytics-events" "^0.2.0"
     "@matrix-org/react-sdk-module-api" "^0.0.3"
     "@sentry/browser" "^6.11.0"
     "@sentry/tracing" "^6.11.0"
-    "@testing-library/react" "^12.1.5"
     "@types/geojson" "^7946.0.8"
     await-lock "^2.1.0"
     blurhash "^1.1.3"
@@ -8333,7 +8330,7 @@ matrix-react-sdk@3.55.0:
     maplibre-gl "^1.15.2"
     matrix-encrypt-attachment "^1.0.3"
     matrix-events-sdk "^0.0.1-beta.7"
-    matrix-js-sdk "19.6.0"
+    matrix-js-sdk "github:matrix-org/matrix-js-sdk#develop"
     matrix-widget-api "^1.1.1"
     minimist "^1.2.5"
     opus-recorder "^8.0.3"