diff --git a/src/pythonmodule.cpp b/src/pythonmodule.cpp
index 6a7942b8..e38b12b4 100644
--- a/src/pythonmodule.cpp
+++ b/src/pythonmodule.cpp
@@ -5,6 +5,7 @@
 #include <pybind11/pybind11.h>
 #include <pybind11/functional.h>
 #include <pybind11/iostream.h>
+#include <pybind11/stl.h>
 
 namespace py = pybind11;