$ git diff
diff --git a/.gitmodules b/.gitmodules
index 1b59b8c..599864e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,4 +1,4 @@
 [submodule "recordings/longnow"]
 	path = recordings/longnow
-	url = https://github.com/datalad-datasets/longnow-podcasts.git
+	url = git@github.com:datalad-datasets/longnow-podcasts.git
 	datalad-id = b3ca2718-8901-11e8-99aa-a0369f7c647e
