diff --git a/.gitmodules b/.gitmodules
index 9880b19..d04c3b4 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "thirdparty/projectx"]
 	path = thirdparty/projectx
-	url = git@github.com:dijunkun/projectx.git
+	url = https://github.com/dijunkun/projectx.git