diff --git a/.gitmodules b/.gitmodules
index 7a8bc63e1..7f7222a15 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -8,3 +8,15 @@
 [submodule "boost"]
 	path = deps/boost
 	url = https://github.com/boostorg/boost.git
+[submodule "deps/riot-web"]
+	path = deps/riot-web
+	url = https://github.com/vector-im/riot-web.git
+	branch = develop
+[submodule "deps/matrix-js-sdk"]
+	path = deps/matrix-js-sdk
+	url = https://github.com/matrix-org/matrix-js-sdk.git
+	branch = develop
+[submodule "deps/matrix-react-sdk"]
+	path = deps/matrix-react-sdk
+	url = https://github.com/matrix-org/matrix-react-sdk.git
+	branch = develop
diff --git a/deps/matrix-js-sdk b/deps/matrix-js-sdk
new file mode 160000
index 000000000..38915eb7f
--- /dev/null
+++ b/deps/matrix-js-sdk
@@ -0,0 +1 @@
+Subproject commit 38915eb7fcf01cf9dadfd51f530557ab7ffa3e23
diff --git a/deps/matrix-react-sdk b/deps/matrix-react-sdk
new file mode 160000
index 000000000..ebfdd7c71
--- /dev/null
+++ b/deps/matrix-react-sdk
@@ -0,0 +1 @@
+Subproject commit ebfdd7c718dc93b86fd46e4a8019abd8f78bad89
diff --git a/deps/riot-web b/deps/riot-web
new file mode 160000
index 000000000..b0a3bd659
--- /dev/null
+++ b/deps/riot-web
@@ -0,0 +1 @@
+Subproject commit b0a3bd6591611579144cfbd959da30d354d09ef3