diff --git a/python/pybind11/cucim_py.cpp b/python/pybind11/cucim_py.cpp
index 6a8a6a3c6..e83b30d0b 100644
--- a/python/pybind11/cucim_py.cpp
+++ b/python/pybind11/cucim_py.cpp
@@ -19,6 +19,7 @@
 
 #include <fmt/format.h>
 #include <fmt/ranges.h>
+#include <Python.h>
 #include <pybind11/buffer_info.h>
 #include <pybind11/operators.h>
 #include <pybind11/pybind11.h>