diff --git a/Misc/NEWS b/Misc/NEWS
index 015ce1f..e3df59a 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -1,4 +1,4 @@
-﻿+++++++++++
++++++++++++
 Python News
 +++++++++++
 
@@ -135,6 +135,8 @@
 Extensions
 ----------
 
+- Issue #10143: Update "os.pathconf" values.
+
 - Issue #6518: Support context manager protcol for ossaudiodev types.
 
 - Issue #678250: Make mmap flush a noop on ACCESS_READ and ACCESS_COPY.
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 07ede0a..2fa074a 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -6437,6 +6437,39 @@
 #ifdef _PC_VDISABLE
     {"PC_VDISABLE",     _PC_VDISABLE},
 #endif
+#ifdef _PC_ACL_ENABLED
+    {"PC_ACL_ENABLED",  _PC_ACL_ENABLED},
+#endif
+#ifdef _PC_MIN_HOLE_SIZE
+    {"PC_MIN_HOLE_SIZE",    _PC_MIN_HOLE_SIZE},
+#endif
+#ifdef _PC_ALLOC_SIZE_MIN
+    {"PC_ALLOC_SIZE_MIN",   _PC_ALLOC_SIZE_MIN},
+#endif
+#ifdef _PC_REC_INCR_XFER_SIZE
+    {"PC_REC_INCR_XFER_SIZE",   _PC_REC_INCR_XFER_SIZE},
+#endif
+#ifdef _PC_REC_MAX_XFER_SIZE
+    {"PC_REC_MAX_XFER_SIZE",    _PC_REC_MAX_XFER_SIZE},
+#endif
+#ifdef _PC_REC_MIN_XFER_SIZE
+    {"PC_REC_MIN_XFER_SIZE",    _PC_REC_MIN_XFER_SIZE},
+#endif
+#ifdef _PC_REC_XFER_ALIGN
+    {"PC_REC_XFER_ALIGN",   _PC_REC_XFER_ALIGN},
+#endif
+#ifdef _PC_SYMLINK_MAX
+    {"PC_SYMLINK_MAX",  _PC_SYMLINK_MAX},
+#endif
+#ifdef _PC_XATTR_ENABLED
+    {"PC_XATTR_ENABLED",    _PC_XATTR_ENABLED},
+#endif
+#ifdef _PC_XATTR_EXISTS
+    {"PC_XATTR_EXISTS", _PC_XATTR_EXISTS},
+#endif
+#ifdef _PC_TIMESTAMP_RESOLUTION
+    {"PC_TIMESTAMP_RESOLUTION", _PC_TIMESTAMP_RESOLUTION},
+#endif
 };
 
 static int