diff --git a/src/picologging/compat.hxx b/src/picologging/compat.hxx
index d3356da..be7a1fc 100644
--- a/src/picologging/compat.hxx
+++ b/src/picologging/compat.hxx
@@ -88,4 +88,12 @@ static inline PyObject* _Py_XNewRef(PyObject *obj)
 }
 #endif
 
+// For Python 3.13 and above, PyTime_t is now part of the public API
+#if PY_VERSION_HEX >= 0x030d0000
+#define _PyTime_t PyTime_t
+#define _PyTime_AsSecondsDouble PyTime_AsSecondsDouble
+#define _PyTime_AsMilliseconds PyTime_AsMilliseconds
+#define _PyTime_ROUND_CEILING PyTime_ROUND_CEILING
+#endif
+
 #endif // COMPAT_H
\ No newline at end of file

From fe313d8b3dcf0115e1be781e03b20673d3f51c3f Mon Sep 17 00:00:00 2001
From: Anthony Shaw <anthony.p.shaw@gmail.com>
Date: Sat, 14 Sep 2024 17:33:25 +1000
Subject: [PATCH 2/2] Patch other changed APIs for pytime

---
 pyproject.toml                |  2 +-
 src/picologging/compat.hxx    |  2 --
 src/picologging/logrecord.cxx | 13 +++++++++++++
 3 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/pyproject.toml b/pyproject.toml
index 33abe66..27628c9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [build-system]
 requires = [
     "setuptools>=65.4.1",
-    "scikit-build>=0.17.0",
+    "scikit-build>=0.18.0",
     "cmake>=3.18",
     "ninja",
 ]
diff --git a/src/picologging/compat.hxx b/src/picologging/compat.hxx
index be7a1fc..7c6970d 100644
--- a/src/picologging/compat.hxx
+++ b/src/picologging/compat.hxx
@@ -92,8 +92,6 @@ static inline PyObject* _Py_XNewRef(PyObject *obj)
 #if PY_VERSION_HEX >= 0x030d0000
 #define _PyTime_t PyTime_t
 #define _PyTime_AsSecondsDouble PyTime_AsSecondsDouble
-#define _PyTime_AsMilliseconds PyTime_AsMilliseconds
-#define _PyTime_ROUND_CEILING PyTime_ROUND_CEILING
 #endif
 
 #endif // COMPAT_H
\ No newline at end of file
diff --git a/src/picologging/logrecord.cxx b/src/picologging/logrecord.cxx
index cec68c9..9f5cf86 100644
--- a/src/picologging/logrecord.cxx
+++ b/src/picologging/logrecord.cxx
@@ -16,11 +16,19 @@ _PyFloat_FromPyTime(_PyTime_t t)
 
 _PyTime_t current_time()
 {
+#if PY_VERSION_HEX >= 0x030d0000
+    _PyTime_t t;
+    if (PyTime_Time(&t) < 0) {
+        return -1;
+    }
+    return t;
+#else
     _PyTime_t t;
     if (_PyTime_GetSystemClockWithInfo(&t, NULL) < 0) {
         return -1;
     }
     return t;
+#endif
 }
 
 PyObject* LogRecord_new(PyTypeObject* type, PyObject *initargs, PyObject *kwds)
@@ -162,7 +170,12 @@ LogRecord* LogRecord_create(LogRecord* self, PyObject* name, PyObject* msg, PyOb
     }
 
     self->created = _PyTime_AsSecondsDouble(ctime);
+// msecs conversion isn't in 3.13 API
+#if PY_VERSION_HEX < 0x030d0000
     self->msecs = _PyTime_AsMilliseconds(ctime, _PyTime_ROUND_CEILING);
+#else
+    self->msecs = 0;
+#endif
     self->relativeCreated = _PyFloat_FromPyTime((ctime - startTime) * 1000);    
     self->thread = PyThread_get_thread_ident(); // Only supported in Python 3.7+, if big demand for 3.6 patch this out for the old API.
     // TODO #2 : See if there is a performant way to get the thread name.