diff --git a/.gitmodules b/.gitmodules
index 5c14fd2f..74be258e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "swagger-ui"]
 	path = swagger-ui
-	url = https://github.com/matrix-org/swagger-ui.git
+	url = git+ssh://git@github.com/matrix-org/swagger-ui
diff --git a/swagger-ui b/swagger-ui
new file mode 160000
index 00000000..64dc3060
--- /dev/null
+++ b/swagger-ui
@@ -0,0 +1 @@
+Subproject commit 64dc3060b3700b12e466f8d67b7d7ec3574b015f