diff --git a/package.json b/package.json
index 7c3e4a493e..eac77bc0d7 100644
--- a/package.json
+++ b/package.json
@@ -86,7 +86,7 @@
     "linkifyjs": "^2.1.6",
     "lodash": "^4.17.14",
     "lolex": "4.2",
-    "matrix-js-sdk": "2.4.2",
+    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
     "optimist": "^0.6.1",
     "pako": "^1.0.5",
     "png-chunks-extract": "^1.0.0",
diff --git a/yarn.lock b/yarn.lock
index 982e812711..1af984cfa3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1567,7 +1567,7 @@ blob@0.0.5:
   resolved "https://registry.yarnpkg.com/blob/-/blob-0.0.5.tgz#d680eeef25f8cd91ad533f5b01eed48e64caf683"
   integrity sha512-gaqbzQPqOoamawKg0LGVd7SzLgXS+JH61oWprSLH+P+abTczqJbhTR8CmJ2u9/bUYNmHTGJx/UEmn6doAvvuig==
 
-bluebird@^3.3.0, bluebird@^3.5.0, bluebird@^3.5.5:
+bluebird@3.5.5, bluebird@^3.3.0, bluebird@^3.5.0, bluebird@^3.5.5:
   version "3.5.5"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.5.tgz#a8d0afd73251effbbd5fe384a77d73003c17a71f"
   integrity sha512-5am6HnnfN+urzt4yfg7IgTbotDjIT/u8AJpEt0sIU9FtXfVeezXAPKswrG+xKUCOYAINpSdgZVDU6QFh+cuH3w==
@@ -5051,10 +5051,10 @@ log4js@^4.0.0:
     rfdc "^1.1.4"
     streamroller "^1.0.6"
 
-loglevel@1.6.1:
-  version "1.6.1"
-  resolved "https://registry.yarnpkg.com/loglevel/-/loglevel-1.6.1.tgz#e0fc95133b6ef276cdc8887cdaf24aa6f156f8fa"
-  integrity sha1-4PyVEztu8nbNyIh82vJKpvFW+Po=
+loglevel@^1.6.4:
+  version "1.6.4"
+  resolved "https://registry.yarnpkg.com/loglevel/-/loglevel-1.6.4.tgz#f408f4f006db8354d0577dcf6d33485b3cb90d56"
+  integrity sha512-p0b6mOGKcGa+7nnmKbpzR6qloPbrgLcnio++E+14Vo/XffOGwZtRpUhr8dTH/x2oCMmEoIU0Zwm3ZauhvYD17g==
 
 lolex@4.2, lolex@^4.1.0:
   version "4.2.0"
@@ -5187,18 +5187,17 @@ mathml-tag-names@^2.0.1:
   resolved "https://registry.yarnpkg.com/mathml-tag-names/-/mathml-tag-names-2.1.1.tgz#6dff66c99d55ecf739ca53c492e626f1d12a33cc"
   integrity sha512-pWB896KPGSGkp1XtyzRBftpTzwSOL0Gfk0wLvxt4f2mgzjY19o0LxJ3U25vNWTzsh7da+KTbuXQoQ3lOJZ8WHw==
 
-matrix-js-sdk@2.4.2:
+"matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
   version "2.4.2"
-  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-2.4.2.tgz#e9c3c929469e0d885463d22f927f7ac38ad5f209"
-  integrity sha512-DkkUk6IX56Pkz9S7RYLn2XeTRVMrLiFOAavZvzWHs/m+k8JFtjDmJ8JVJLDA12+kL9h6rXYDN80/99RfFZH3hA==
+  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/46d7e4c7075386f1330d6a49941e9979fc26be0a"
   dependencies:
     another-json "^0.2.0"
     babel-runtime "^6.26.0"
-    bluebird "^3.5.0"
+    bluebird "3.5.5"
     browser-request "^0.3.3"
     bs58 "^4.0.1"
     content-type "^1.0.2"
-    loglevel "1.6.1"
+    loglevel "^1.6.4"
     qs "^6.5.2"
     request "^2.88.0"
     unhomoglyph "^1.0.2"
@@ -6583,16 +6582,6 @@ react-is@^16.6.0, react-is@^16.7.0, react-is@^16.8.1, react-is@^16.8.4, react-is
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.9.0.tgz#21ca9561399aad0ff1a7701c01683e8ca981edcb"
   integrity sha512-tJBzzzIgnnRfEm046qRcURvwQnZVXmuCbscxUO5RWrGTXpon2d4c8mI0D8WE6ydVIm29JiLB6+RslkIvym9Rjw==
 
-react-is@^16.9.0:
-  version "16.9.0"
-  resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.9.0.tgz#21ca9561399aad0ff1a7701c01683e8ca981edcb"
-  integrity sha512-tJBzzzIgnnRfEm046qRcURvwQnZVXmuCbscxUO5RWrGTXpon2d4c8mI0D8WE6ydVIm29JiLB6+RslkIvym9Rjw==
-
-react-is@^16.9.0:
-  version "16.9.0"
-  resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.9.0.tgz#21ca9561399aad0ff1a7701c01683e8ca981edcb"
-  integrity sha512-tJBzzzIgnnRfEm046qRcURvwQnZVXmuCbscxUO5RWrGTXpon2d4c8mI0D8WE6ydVIm29JiLB6+RslkIvym9Rjw==
-
 react-lifecycles-compat@^3.0.0:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/react-lifecycles-compat/-/react-lifecycles-compat-3.0.4.tgz#4f1a273afdfc8f3488a8c516bfda78f872352362"