diff --git a/.gitmodules b/.gitmodules
index cee8362b..8312d6da 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,16 +4,16 @@
 	branch = ats5
 [submodule "umt"]
 	path = umt
-	url = https://github.com/LLNL/UMT.git
+	url = git@github.com:LLNL/UMT.git
 [submodule "trilinos"]
 	path = trilinos
-	url = https://github.com/trilinos/Trilinos.git
+	url = git@github.com:trilinos/Trilinos.git
 [submodule "sparta"]
 	path = sparta
-	url = https://github.com/sparta/sparta.git
+	url = git@github.com:sparta/sparta.git
 [submodule "parthenon"]
 	path = parthenon
-	url = https://github.com/parthenon-hpc-lab/parthenon.git
+	url = git@github.com:parthenon-hpc-lab/parthenon.git
 [submodule "utils/pavilion"]
 	path = utils/pavilion
 	url = git@github.com:hpc/pavilion2.git