diff --git a/.gitmodules b/.gitmodules
index f52698e0968..aea348a0a8b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -13,3 +13,9 @@
 [submodule "src/rust-mozjs"]
 	path = src/rust-mozjs
 	url = git://github.com/brson/rust-mozjs.git
+[submodule "src/harfbuzz"]
+	path = src/harfbuzz
+	url = git://anongit.freedesktop.org/harfbuzz.git
+[submodule "src/ragel"]
+	path = src/ragel
+	url = git://github.com/brson/ragel-dist.git
diff --git a/src/harfbuzz b/src/harfbuzz
new file mode 160000
index 00000000000..2214a03900d
--- /dev/null
+++ b/src/harfbuzz
@@ -0,0 +1 @@
+Subproject commit 2214a03900d32710573a1b05c7665195b3129761
diff --git a/src/ragel b/src/ragel
new file mode 160000
index 00000000000..e07012473a1
--- /dev/null
+++ b/src/ragel
@@ -0,0 +1 @@
+Subproject commit e07012473a186693c7917c300a816deddaede19f