diff --git a/.gitmodules b/.gitmodules
index a76b862..7f79dcc 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -55,3 +55,6 @@
 [submodule ".vim/bundle/fish-syntax"]
 	path = .vim/bundle/fish-syntax
 	url = https://github.com/vim-scripts/fish-syntax
+[submodule ".vim/bundle/calendar-vim"]
+	path = .vim/bundle/calendar-vim
+	url = https://github.com/mattn/calendar-vim
diff --git a/.vim/bundle/calendar-vim b/.vim/bundle/calendar-vim
new file mode 160000
index 0000000..7b0a2c7
--- /dev/null
+++ b/.vim/bundle/calendar-vim
@@ -0,0 +1 @@
+Subproject commit 7b0a2c727086d39f658225bb00cd117770bf9245