diff --git a/.gitmodules b/.gitmodules
index 1c5db0adc..7365ba0fd 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,6 @@
 	path = external/spdlog
 	url = https://github.com/gabime/spdlog
 	branch = v1.8.1
+[submodule "pybind/pybind11"]
+	path = pybind/pybind11
+	url = https://github.com/pybind/pybind11
diff --git a/pybind/pybind11 b/pybind/pybind11
new file mode 160000
index 000000000..06a54018c
--- /dev/null
+++ b/pybind/pybind11
@@ -0,0 +1 @@
+Subproject commit 06a54018c8a9fd9a7be5f5b56414b5da9259f637