diff --git a/package.json b/package.json
index ebdc4de7f6..63f5a9d854 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "jsrsasign": "^10.1.5",
     "katex": "^0.12.0",
     "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
-    "matrix-react-sdk": "3.17.0",
+    "matrix-react-sdk": "github:matrix-org/matrix-react-sdk#develop",
     "matrix-widget-api": "^0.1.0-beta.13",
     "olm": "https://packages.matrix.org/npm/olm/olm-3.2.1.tgz",
     "prop-types": "^15.7.2",
diff --git a/yarn.lock b/yarn.lock
index 1f6c23c829..2f59143220 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7506,21 +7506,6 @@ 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-js-sdk@9.10.0:
-  version "9.10.0"
-  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-9.10.0.tgz#ba32981391168778b301c01362a503a8469d3844"
-  integrity sha512-xvpgvTmCbS8dRTVvVULKbSwyES0y2F17TPukLIIXZMTqqeEBhfycVIjCV6LuACc0WBoRsZbi1/BIlgeWY7J03A==
-  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"
-    qs "^6.9.6"
-    request "^2.88.2"
-    unhomoglyph "^1.0.6"
-
 "matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
   version "9.10.0"
   resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/4204b2170a1e04f20067b87636bb2eddf95194c4"
@@ -7543,10 +7528,9 @@ matrix-mock-request@^1.2.3:
     bluebird "^3.5.0"
     expect "^1.20.2"
 
-matrix-react-sdk@3.17.0:
+"matrix-react-sdk@github:matrix-org/matrix-react-sdk#develop":
   version "3.17.0"
-  resolved "https://registry.yarnpkg.com/matrix-react-sdk/-/matrix-react-sdk-3.17.0.tgz#8793c0106f9058af755309c90ee5e3da8ff2a163"
-  integrity sha512-e8AMlReejmSjt+THys9U4i575MqQ+D4TWi2JfTJ8liS7nqT+Rj2oL4cwA1nRs71kYgPYqknRZIl1mcn7yi0vGQ==
+  resolved "https://codeload.github.com/matrix-org/matrix-react-sdk/tar.gz/5df4ad2db0fed4bd96c73fa5b13cd4994c3a96c7"
   dependencies:
     "@babel/runtime" "^7.12.5"
     await-lock "^2.1.0"
@@ -7574,9 +7558,10 @@ matrix-react-sdk@3.17.0:
     katex "^0.12.0"
     linkifyjs "^2.1.9"
     lodash "^4.17.20"
-    matrix-js-sdk "9.10.0"
+    matrix-js-sdk "github:matrix-org/matrix-js-sdk#develop"
     matrix-widget-api "^0.1.0-beta.13"
     minimist "^1.2.5"
+    opus-recorder "^8.0.3"
     pako "^2.0.3"
     parse5 "^6.0.1"
     png-chunks-extract "^1.0.0"
@@ -8484,6 +8469,11 @@ optionator@^0.9.1:
     type-check "^0.4.0"
     word-wrap "^1.2.3"
 
+opus-recorder@^8.0.3:
+  version "8.0.3"
+  resolved "https://registry.yarnpkg.com/opus-recorder/-/opus-recorder-8.0.3.tgz#f7b44f8f68500c9b96a15042a69f915fd9c1716d"
+  integrity sha512-8vXGiRwlJAavT9D3yYzukNVXQ8vEcKHcsQL/zXO24DQtJ0PLXvoPHNQPJrbMCdB4ypJgWDExvHF4JitQDL7dng==
+
 original@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/original/-/original-1.0.2.tgz#e442a61cffe1c5fd20a65f3261c26663b303f25f"