diff --git a/.gitmodules b/.gitmodules
index 6940b5c7..7dfea5ba 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -19,3 +19,6 @@
 [submodule "third_party/frozendict"]
 	path = third_party/frozendict
 	url = https://github.com/slezica/python-frozendict
+[submodule "third_party/argparse"]
+	path = third_party/argparse
+	url = https://github.com/bewest/argparse
diff --git a/third_party/argparse b/third_party/argparse
new file mode 160000
index 00000000..46af816d
--- /dev/null
+++ b/third_party/argparse
@@ -0,0 +1 @@
+Subproject commit 46af816db4812eab5f4639717bf1ad2eb17cc1ff