diff --git a/.gitmodules b/.gitmodules
index ad9ba05a..64a350c3 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,8 +4,8 @@
 	branch = master
 [submodule "deps/xmas-elf"]
 	path = deps/xmas-elf
-	url = http://github.com/tatetian/xmas-elf
+	url = http://github.com/occlum/xmas-elf
 	branch = master
 [submodule "deps/sgx_protect_file"]
 	path = deps/sgx_protect_file
-	url = https://github.com/tatetian/sgx_protect_file
+	url = https://github.com/occlum/sgx_protect_file