diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..3ec2244
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "third_party/nanobind"]
+	path = third_party/nanobind
+	url = https://github.com/wjakob/nanobind
diff --git a/third_party/nanobind b/third_party/nanobind
new file mode 160000
index 0000000..efbeb8a
--- /dev/null
+++ b/third_party/nanobind
@@ -0,0 +1 @@
+Subproject commit efbeb8afd95b210d9e2e06f719ddc1336a12b9d7