diff --git a/.gitmodules b/.gitmodules
index ecac847..98b8a3c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -36,6 +36,9 @@
 [submodule "git-modes"]
 	path = lib/git-modes
 	url = git@github.com:magit/git-modes.git
+[submodule "hl-todo"]
+	path = lib/hl-todo
+	url = git@github.com:tarsius/hl-todo.git
 [submodule "magit"]
 	path = lib/magit
 	url = git@github.com:magit/magit.git
diff --git a/init.el b/init.el
index f11822d..be4a719 100644
--- a/init.el
+++ b/init.el
@@ -93,6 +93,9 @@
   :defer t
   :config (temp-buffer-resize-mode))
 
+(use-package hl-todo
+  :config (global-hl-todo-mode))
+
 (progn ;    `isearch'
   (setq isearch-allow-scroll t))
 
diff --git a/lib/hl-todo b/lib/hl-todo
new file mode 160000
index 0000000..a233124
--- /dev/null
+++ b/lib/hl-todo
@@ -0,0 +1 @@
+Subproject commit a23312464fc6462d559462a44cd74735e9f73421