diff --git a/.gitmodules b/.gitmodules
index a1d2f65..53c971c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -110,3 +110,4 @@
 [submodule "pack/vim-clang-format/opt/vim-clang-format"]
 	path = pack/vim-clang-format/opt/vim-clang-format
 	url = https://github.com/rhysd/vim-clang-format.git
+	ignore = untracked