diff --git a/.gitmodules b/.gitmodules
index 468a6f8..29685ca 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,8 @@
 [submodule "radpie"]
 	path = cyclotron
 	url = git@github.com:hansungk/radpie.git
+[submodule "cyclotron-main"]
+	path = cyclotron-main
+	url = https://github.com/hansungk/cyclotron-main.git
+[submodule "cyclotron"]
+	url = https://github.com/hansungk/cyclotron.git
diff --git a/cyclotron-main b/cyclotron-main
new file mode 160000
index 0000000..25f2e77
--- /dev/null
+++ b/cyclotron-main
@@ -0,0 +1 @@
+Subproject commit 25f2e7734bfbff5a25fc0f4688fe67adb4116ef0