diff --git a/src/if_python3.c b/src/if_python3.c
index 0b05857..1de8fe8 100644
--- a/src/if_python3.c
+++ b/src/if_python3.c
@@ -692,7 +692,12 @@
 {
     return Py_IS_TYPE(ob, type) || PyType_IsSubtype(Py_TYPE(ob), type);
 }
-#  define _PyObject_TypeCheck(o,t) py3__PyObject_TypeCheck(o,t)
+#  if PY_VERSION_HEX >= 0x030b00b3
+#   undef PyObject_TypeCheck
+#   define PyObject_TypeCheck(o,t) py3__PyObject_TypeCheck(o,t)
+#  else
+#   define _PyObject_TypeCheck(o,t) py3__PyObject_TypeCheck(o,t)
+#  endif
 # endif
 
 # ifdef MSWIN
diff --git a/src/version.c b/src/version.c
index d9dba16..5ac1cb9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -736,6 +736,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    5168,
+/**/
     5167,
 /**/
     5166,