diff --git a/src/App/FeaturePythonPyImp.h b/src/App/FeaturePythonPyImp.h
index dcc4d94ab7..0fbb04abf3 100644
--- a/src/App/FeaturePythonPyImp.h
+++ b/src/App/FeaturePythonPyImp.h
@@ -45,7 +45,9 @@
         virtual ~_class_(); \
     };
 
-#if PY_VERSION_HEX >= 0x03090000
+#if PY_VERSION_HEX >= 0x030c0000
+#define PYTHON_TYPE_SLOTS 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+#elif PY_VERSION_HEX >= 0x03090000
 #define PYTHON_TYPE_SLOTS 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
 #elif PY_VERSION_HEX >= 0x03080000
 #define PYTHON_TYPE_SLOTS 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
diff --git a/src/App/FeaturePythonPyImp.inl b/src/App/FeaturePythonPyImp.inl
index 8abfda8b34..afff283d73 100644
--- a/src/App/FeaturePythonPyImp.inl
+++ b/src/App/FeaturePythonPyImp.inl
@@ -84,6 +84,9 @@ PyTypeObject FeaturePythonPyT<FeaturePyT>::Type = {
     nullptr                                           /*tp_finalize */
 #if PY_VERSION_HEX >= 0x03080000
     ,0                                                /*tp_vectorcall */
+#if PY_VERSION_HEX >= 0x030c0000
+    ,0                                                /*tp_watched */
+#endif
 #endif
 };
 
diff --git a/src/Base/PyObjectBase.cpp b/src/Base/PyObjectBase.cpp
index 0c4000ddfa..be96008764 100644
--- a/src/Base/PyObjectBase.cpp
+++ b/src/Base/PyObjectBase.cpp
@@ -170,6 +170,9 @@ static PyTypeObject PyBaseProxyType = {
     nullptr                                                 /*tp_finalize */
 #if PY_VERSION_HEX >= 0x03090000
     ,0                                            //NOLINT  /*tp_vectorcall */
+#if PY_VERSION_HEX >= 0x030c0000
+    ,0                                                      /*tp_watched */
+#endif
 #elif PY_VERSION_HEX >= 0x03080000
     ,0                                                      /*tp_vectorcall */
     /* bpo-37250: kept for backwards compatibility in CPython 3.8 only */
@@ -235,6 +238,9 @@ PyTypeObject PyObjectBase::Type = {
     nullptr                                                 /*tp_finalize */
 #if PY_VERSION_HEX >= 0x03090000
     ,0                                            //NOLINT  /*tp_vectorcall */
+#if PY_VERSION_HEX >= 0x030c0000
+    ,0                                                      /*tp_watched */
+#endif
 #elif PY_VERSION_HEX >= 0x03080000
     ,0                                                      /*tp_vectorcall */
     /* bpo-37250: kept for backwards compatibility in CPython 3.8 only */
diff --git a/src/Tools/generateTemplates/templateClassPyExport.py b/src/Tools/generateTemplates/templateClassPyExport.py
index 728a3db1ad..885d889bae 100644
--- a/src/Tools/generateTemplates/templateClassPyExport.py
+++ b/src/Tools/generateTemplates/templateClassPyExport.py
@@ -380,6 +380,9 @@ PyTypeObject @self.export.Name@::Type = {
     nullptr                                           /*tp_finalize */
 #if PY_VERSION_HEX >= 0x03090000
     ,nullptr                                          /*tp_vectorcall */
+#if PY_VERSION_HEX >= 0x030c0000
+    ,0                                                /*tp_watched */
+#endif
 #elif PY_VERSION_HEX >= 0x03080000
     ,nullptr                                          /*tp_vectorcall */
     /* bpo-37250: kept for backwards compatibility in CPython 3.8 only */