diff --git a/.gitmodules b/.gitmodules
index e24492940..fccaa0ed0 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule ".travis"]
 	path = .travis
-	url = git://github.com/jsk-ros-pkg/jsk_travis
+	url = https://github.com/jsk-ros-pkg/jsk_travis