diff --git a/package.json b/package.json
index 31b9cd3f89..c96942a462 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
   "bin": {
     "reskindex": "scripts/reskindex.js"
   },
-  "main": "./lib/index.ts",
+  "main": "./src/index.ts",
   "matrix_src_main": "./src/index.ts",
   "matrix_lib_main": "./lib/index.ts",
   "matrix_lib_typings": "./lib/index.d.ts",
@@ -83,7 +83,7 @@
     "katex": "^0.12.0",
     "linkifyjs": "^2.1.9",
     "lodash": "^4.17.20",
-    "matrix-js-sdk": "15.1.0",
+    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
     "matrix-widget-api": "^0.1.0-beta.17",
     "minimist": "^1.2.5",
     "opus-recorder": "^8.0.3",
@@ -195,7 +195,7 @@
     "testMatch": [
       "<rootDir>/test/**/*-test.[jt]s?(x)"
     ],
-    "globalSetup":  "<rootDir>/test/globalSetup.js",
+    "globalSetup": "<rootDir>/test/globalSetup.js",
     "setupFiles": [
       "jest-canvas-mock"
     ],
@@ -221,6 +221,5 @@
     "coverageReporters": [
       "text"
     ]
-  },
-  "typings": "./lib/index.d.ts"
+  }
 }
diff --git a/yarn.lock b/yarn.lock
index a05bc41e8d..7140510564 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5869,10 +5869,9 @@ 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@15.1.0:
+"matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
   version "15.1.0"
-  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-15.1.0.tgz#46bb1185e80d1c9aeccf290bc214a0ad27351aa3"
-  integrity sha512-1qF6RO3jrMdL2X7WsHW520oHMH6ns3rOkhdJi3PAYknCG8Yv87KCyI46o+7OgdBUTH2a+iwMcH8kP3T9/abKEA==
+  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/1dc899ba6ec52cab3fed9783e892e62ffc93c5a7"
   dependencies:
     "@babel/runtime" "^7.12.5"
     another-json "^0.2.0"