diff --git a/src/Base/PyObjectBase.cpp b/src/Base/PyObjectBase.cpp
index 8e7652836c..5ecfcb64a2 100644
--- a/src/Base/PyObjectBase.cpp
+++ b/src/Base/PyObjectBase.cpp
@@ -169,7 +169,9 @@ static PyTypeObject PyBaseProxyType = {
 #if PY_VERSION_HEX >= 0x030c0000
     ,0                                                      /*tp_watched */
 #endif
-
+#if PY_VERSION_HEX >= 0x030d0000
+    ,0                                                      /*tp_versions_used*/
+#endif
 };
 
 PyTypeObject PyObjectBase::Type = {
@@ -228,6 +230,9 @@ PyTypeObject PyObjectBase::Type = {
 #if PY_VERSION_HEX >= 0x030c0000
     ,0                                                      /*tp_watched */
 #endif
+#if PY_VERSION_HEX >= 0x030d0000
+    ,0                                                      /*tp_versions_used*/
+#endif
 };
 
 #if defined(__clang__)