diff --git a/.gitmodules b/.gitmodules
index 25808a516c..a54cbccb94 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "External/xcconfigs"]
 	path = External/xcconfigs
 	url = https://github.com/jspahrsummers/xcconfigs.git
+[submodule "External/Quick"]
+	path = External/Quick
+	url = https://github.com/github/Quick.git
diff --git a/External/Quick b/External/Quick
new file mode 160000
index 0000000000..580fb3916d
--- /dev/null
+++ b/External/Quick
@@ -0,0 +1 @@
+Subproject commit 580fb3916d54e4e542c422bdd08434da5fd3db76