diff --git a/.gitmodules b/.gitmodules
index 71b83f1..b41768e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -17,3 +17,6 @@
 [submodule "vim/.vim/bundle/vim-surround"]
 	path = vim/.vim/bundle/vim-surround
 	url = https://github.com/tpope/vim-surround
+[submodule "vim/.vim/bundle/vim-gitgutter"]
+	path = vim/.vim/bundle/vim-gitgutter
+	url = https://github.com/airblade/vim-gitgutter
diff --git a/vim/.vim/bundle/vim-gitgutter b/vim/.vim/bundle/vim-gitgutter
new file mode 160000
index 0000000..7eeea63
--- /dev/null
+++ b/vim/.vim/bundle/vim-gitgutter
@@ -0,0 +1 @@
+Subproject commit 7eeea63e62b1cc088a75c7a7c244fc774d82e5bb
diff --git a/vim/.vimrc b/vim/.vimrc
index 567a371..e9a7268 100644
--- a/vim/.vimrc
+++ b/vim/.vimrc
@@ -14,6 +14,9 @@ set nrformats-=octal
 
 set incsearch
 
+set number
+set numberwidth=4
+set updatetime=100
 set laststatus=2
 set ruler
 set wildmenu