diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..8fa3824
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule ".zsh/pure"]
+	path = .zsh/pure
+	url = https://github.com/sindresorhus/pure.git
diff --git a/.zsh/pure b/.zsh/pure
new file mode 160000
index 0000000..5c21580
--- /dev/null
+++ b/.zsh/pure
@@ -0,0 +1 @@
+Subproject commit 5c2158096cd992ad73ae4b42aa43ee618383e092