diff --git a/package.json b/package.json
index b3553cef09..948734e98c 100644
--- a/package.json
+++ b/package.json
@@ -73,8 +73,8 @@
     "gemini-scrollbar": "github:matrix-org/gemini-scrollbar#91e1e566",
     "gfm.css": "^1.1.2",
     "highlight.js": "^9.13.1",
-    "matrix-js-sdk": "2.4.5",
-    "matrix-react-sdk": "1.7.4",
+    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
+    "matrix-react-sdk": "github:matrix-org/matrix-react-sdk#develop",
     "modernizr": "^3.6.0",
     "olm": "https://packages.matrix.org/npm/olm/olm-3.1.4.tgz",
     "postcss-easings": "^2.0.0",
diff --git a/yarn.lock b/yarn.lock
index 8499f2bf10..74b9ea555c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6009,10 +6009,9 @@ math-random@^1.0.1:
   resolved "https://registry.yarnpkg.com/math-random/-/math-random-1.0.4.tgz#5dd6943c938548267016d4e34f057583080c514c"
   integrity sha512-rUxjysqif/BZQH2yhd5Aaq7vXMSx9NdEsQcyA07uEzIvxgI7zIr33gGsh+RU0/XjmQpCW7RsVof1vlkvQVCK5A==
 
-matrix-js-sdk@2.4.5:
+"matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
   version "2.4.5"
-  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-2.4.5.tgz#0a02f0a3e18c59a393b34b8d6ebc54226cce6465"
-  integrity sha512-Mh0fPoiqyXRksFNYS4/2s20xAklmYVIgSms3qFvLhno32LN43NizUoAMBYYGtyjt8BQi+U77lbNL0s5f2V7gPQ==
+  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/6ea8003df23d55e2b84911c3204005c42a9ffa9c"
   dependencies:
     another-json "^0.2.0"
     babel-runtime "^6.26.0"
@@ -6033,14 +6032,12 @@ matrix-mock-request@^1.2.3:
     bluebird "^3.5.0"
     expect "^1.20.2"
 
-matrix-react-sdk@1.7.4:
+"matrix-react-sdk@github:matrix-org/matrix-react-sdk#develop":
   version "1.7.4"
-  resolved "https://registry.yarnpkg.com/matrix-react-sdk/-/matrix-react-sdk-1.7.4.tgz#06c50b20519ec4de3976b9a6b80eca70d8ef9809"
-  integrity sha512-AHiCr0zSDh2cHQF/CiT9ez7F9B+uFQ+XIfTGFbeI22MfY61Vhye8UIVwP7cOMFJ7Ow+wE6470iiscg+boBbRyg==
+  resolved "https://codeload.github.com/matrix-org/matrix-react-sdk/tar.gz/54d6b6aa73656d9c00cc047ace964bc73ce011e7"
   dependencies:
     babel-plugin-syntax-dynamic-import "^6.18.0"
     babel-runtime "^6.26.0"
-    bluebird "^3.5.0"
     blueimp-canvas-to-blob "^3.5.0"
     browser-encrypt-attachment "^0.3.0"
     browser-request "^0.3.3"
@@ -6069,7 +6066,7 @@ matrix-react-sdk@1.7.4:
     linkifyjs "^2.1.6"
     lodash "^4.17.14"
     lolex "4.2"
-    matrix-js-sdk "2.4.5"
+    matrix-js-sdk "github:matrix-org/matrix-js-sdk#develop"
     optimist "^0.6.1"
     pako "^1.0.5"
     png-chunks-extract "^1.0.0"