diff --git a/include/pybind11/numpy.h b/include/pybind11/numpy.h
index 62768adcef..b1365ec1e3 100644
--- a/include/pybind11/numpy.h
+++ b/include/pybind11/numpy.h
@@ -43,6 +43,14 @@ class array; // Forward declaration
 
 PYBIND11_NAMESPACE_BEGIN(detail)
 
+#ifndef PYBIND11_CONSTINIT
+#    if __cplusplus >= 202002L
+#        define PYBIND11_CONSTINIT constinit
+#    else
+#        define PYBIND11_CONSTINIT
+#    endif
+#endif
+
 // Main author of this class: jbms@
 template <typename T>
 class LazyInitializeAtLeastOnceDestroyNever {
@@ -247,7 +255,7 @@ struct npy_api {
     };
 
     static npy_api &get() {
-        static LazyInitializeAtLeastOnceDestroyNever<npy_api> api_init;
+        PYBIND11_CONSTINIT static LazyInitializeAtLeastOnceDestroyNever<npy_api> api_init;
         return api_init.Get(lookup);
     }
 
@@ -685,7 +693,8 @@ class dtype : public object {
 
 private:
     static object &_dtype_from_pep3118() {
-        static detail::LazyInitializeAtLeastOnceDestroyNever<object> imported_obj;
+        PYBIND11_CONSTINIT static detail::LazyInitializeAtLeastOnceDestroyNever<object>
+            imported_obj;
         return imported_obj.Get([]() {
             return detail::import_numpy_core_submodule("_internal").attr("_dtype_from_pep3118");
         });