diff --git a/package.json b/package.json
index 27c4f39a09..d7933e4c59 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
     "katex": "^0.12.0",
     "linkifyjs": "^2.1.9",
     "lodash": "^4.17.20",
-    "matrix-js-sdk": "12.0.1",
+    "matrix-js-sdk": "12.1.0-rc.1",
     "matrix-widget-api": "^0.1.0-beta.15",
     "minimist": "^1.2.5",
     "opus-recorder": "^8.0.3",
diff --git a/yarn.lock b/yarn.lock
index 96c02681fd..432e25cf34 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5455,10 +5455,10 @@ 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@12.0.1:
-  version "12.0.1"
-  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-12.0.1.tgz#3a63881f743420a4d39474daa39bd0fb90930d43"
-  integrity sha512-HkOWv8QHojceo3kPbC+vAIFUjsRAig6MBvEY35UygS3g2dL0UcJ5Qx09/2wcXtu6dowlDnWsz2HHk62tS2cklA==
+matrix-js-sdk@12.1.0-rc.1:
+  version "12.1.0-rc.1"
+  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-12.1.0-rc.1.tgz#4bc4e2342525c622e1a87b264e6f55560632b90c"
+  integrity sha512-F7d1e1Bm8zZqXkTKIyNeT4uA85u65nfrW2b8NwDMV+gtKNF0DOzUfUzOGD7CnjJKpyKNTQluUiwka+bXiGAVkw==
   dependencies:
     "@babel/runtime" "^7.12.5"
     another-json "^0.2.0"