diff --git a/.gitmodules b/.gitmodules
index 8a245a4..ff6b80e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "stmlib"]
 	path = stmlib
-	url = git@github.com:jhbruhn/stmlib.git
+	url = https://github.com/jhbruhn/stmlib.git