--- a/guide.md
+++ b/guide.md
@@ -5,8 +5,8 @@
 
 ## Files that survive a refactor
 
-Use [Python pathlib](https://docs.python.org/3/library/pathlib-old.html)
-for readable filesystem operations. Keep the [pathlib quick reference](https://docs.python.org/3/library/pathlib-old.html)
+Use [Python pathlib](https://docs.python.org/3/library/pathlib.html)
+for readable filesystem operations. Keep the [pathlib quick reference](https://docs.python.org/3/library/pathlib.html)
 close while you migrate scripts.
 
 ## Requests that can be cancelled