diff --git a/.gitmodules b/.gitmodules
index eb391ac3..92e5c3e7 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -18,3 +18,7 @@
 	path = third_party/smhasher
 	url = https://github.com/aappleby/smhasher
 	branch = master
+[submodule "third_party/depot_tools"]
+	path = third_party/depot_tools
+	url = https://chromium.googlesource.com/chromium/tools/depot_tools.git
+	branch = master
diff --git a/third_party/depot_tools b/third_party/depot_tools
new file mode 160000
index 00000000..19d4809e
--- /dev/null
+++ b/third_party/depot_tools
@@ -0,0 +1 @@
+Subproject commit 19d4809e112652f918494840bab819603b0a2816