diff --git a/.gitmodules b/.gitmodules
index b4bce70..cdd2487 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,6 @@
-[submodule "third_party"]
-	path = third_party
-	url = https://github.com/doctest/doctest.git
 [submodule "third_party/doctest"]
 	path = third_party/doctest
 	url = https://github.com/doctest/doctest.git
+[submodule "third_party/nanobench"]
+	path = third_party/nanobench
+	url = https://github.com/martinus/nanobench.git
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..e69de29
diff --git a/third_party/nanobench b/third_party/nanobench
new file mode 160000
index 0000000..26a9c08
--- /dev/null
+++ b/third_party/nanobench
@@ -0,0 +1 @@
+Subproject commit 26a9c089ca54927c1658c046749ca1b8fd60422c