diff --git a/.gitmodules b/.gitmodules
index b395db613..548d3433c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,4 +1,4 @@
 [submodule "verl"]
 	path = verl
-	url = https://github.com/agentica-project/verl
+	url = git@github.com:agentica-project/verl.git
 	branch = main