diff --git a/package.json b/package.json
index 21c870ad..351879db 100644
--- a/package.json
+++ b/package.json
@@ -109,7 +109,7 @@
     "livekit-client": "^2.13.0",
     "lodash-es": "^4.17.21",
     "loglevel": "^1.9.1",
-    "matrix-js-sdk": "^39.2.0",
+    "matrix-js-sdk": "matrix-org/matrix-js-sdk#hs/rtc-focus",
     "matrix-widget-api": "^1.14.0",
     "normalize.css": "^8.0.1",
     "observable-hooks": "^4.2.3",
diff --git a/yarn.lock b/yarn.lock
index 94b73130..34fb5b5f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7547,7 +7547,7 @@ __metadata:
     livekit-client: "npm:^2.13.0"
     lodash-es: "npm:^4.17.21"
     loglevel: "npm:^1.9.1"
-    matrix-js-sdk: "npm:^39.2.0"
+    matrix-js-sdk: "matrix-org/matrix-js-sdk#hs/rtc-focus"
     matrix-widget-api: "npm:^1.14.0"
     normalize.css: "npm:^8.0.1"
     observable-hooks: "npm:^4.2.3"
@@ -10352,9 +10352,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"matrix-js-sdk@npm:^39.2.0":
-  version: 39.2.0
-  resolution: "matrix-js-sdk@npm:39.2.0"
+"matrix-js-sdk@matrix-org/matrix-js-sdk#hs/rtc-focus":
+  version: 39.3.0
+  resolution: "matrix-js-sdk@https://github.com/matrix-org/matrix-js-sdk.git#commit=5818efa0c11d21fcd55b42b14c790a4083208314"
   dependencies:
     "@babel/runtime": "npm:^7.12.5"
     "@matrix-org/matrix-sdk-crypto-wasm": "npm:^15.3.0"
@@ -10370,7 +10370,7 @@ __metadata:
     sdp-transform: "npm:^3.0.0"
     unhomoglyph: "npm:^1.0.6"
     uuid: "npm:13"
-  checksum: 10c0/f8b5261de2744305330ba3952821ca9303698170bfd3a0ff8a767b9286d4e8d4ed5aaf6fbaf8a1e8ff9dbd859102a2a47d882787e2da3b3078965bec00157959
+  checksum: 10c0/05098be4fabb1057d0ac139e6b846fbafe467427f7f7a84b0693fe78beff2fe8dbc89b8480720b1abb41401d2cffb6b401817843ae36dc22ffe4ac86c38899f4
   languageName: node
   linkType: hard