diff --git a/.gitmodules b/.gitmodules
index fe92861..abb75c5 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "third-party/Criterion"]
 	path = third-party/Criterion
 	url = https://github.com/Snaipe/Criterion.git
+[submodule "third-party/pybind11"]
+	path = third-party/pybind11
+	url = https://github.com/pybind/pybind11.git
diff --git a/third-party/pybind11 b/third-party/pybind11
new file mode 160000
index 0000000..13c0807
--- /dev/null
+++ b/third-party/pybind11
@@ -0,0 +1 @@
+Subproject commit 13c08072dc98ba679251ab8b17cf7e959d924fea