diff --git a/.gitmodules b/.gitmodules
index 13f9ecb952f..819202b6622 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "CIME/non_py/cprnc"]
 	path = CIME/non_py/cprnc
-	url = git@github.com:ESMCI/cprnc
+	url = https://github.com/ESMCI/cprnc