diff --git a/package.json b/package.json
index 7885e9a87..5a5b43cc6 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "gfm.css": "^1.1.2",
     "jsrsasign": "^10.2.0",
     "katex": "^0.12.0",
-    "matrix-js-sdk": "15.0.0",
+    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
     "matrix-react-sdk": "3.33.0",
     "matrix-widget-api": "^0.1.0-beta.16",
     "prop-types": "^15.7.2",
diff --git a/yarn.lock b/yarn.lock
index 45c9458ac..1f16cf2f6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1308,7 +1308,6 @@
 
 "@matrix-org/olm@https://gitlab.matrix.org/api/v4/projects/27/packages/npm/@matrix-org/olm/-/@matrix-org/olm-3.2.3.tgz":
   version "3.2.3"
-  uid cc332fdd25c08ef0e40f4d33fc3f822a0f98b6f4
   resolved "https://gitlab.matrix.org/api/v4/projects/27/packages/npm/@matrix-org/olm/-/@matrix-org/olm-3.2.3.tgz#cc332fdd25c08ef0e40f4d33fc3f822a0f98b6f4"
 
 "@mrmlnc/readdir-enhanced@^2.2.1":
@@ -7855,16 +7854,25 @@ 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==
 
-<<<<<<< HEAD
-"matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
-  version "14.0.1"
-  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/94ff0ea4cd9dfd37400b079c8da08b8ecd0f7c6f"
-=======
 matrix-js-sdk@15.0.0:
   version "15.0.0"
   resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-15.0.0.tgz#b28975074d7a938770d8f40ad0088bb476a6bdcf"
   integrity sha512-IgpmPY3DVD3Oj+TRIWsxZCTnKU2J8iVry5a7qIXelsroCxcV5/FKs/C3kphv+nFF0afMBdLLwj+n3Hlf1tdjuA==
->>>>>>> master
+  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"
+    p-retry "^4.5.0"
+    qs "^6.9.6"
+    request "^2.88.2"
+    unhomoglyph "^1.0.6"
+
+"matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
+  version "15.0.0"
+  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/f0091fa81149eed4fd2d0d82be7b820238cd5a1a"
   dependencies:
     "@babel/runtime" "^7.12.5"
     another-json "^0.2.0"