diff --git a/free-programming-books.md b/free-programming-books.md
index 8ecde5ebfd5e3982f54496caa199be89d6d4cf93..5b8801878fd97990aeba6a415523573cd60be163 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -2130,8 +2130,8 @@ Kerridge (PDF) (email address *requested*, not required)
 * [CodeCademy Python](https://www.codecademy.com/learn/python)
 * [Composing Programs](http://composingprograms.com) (3.x)
 * [Data Structures and Algorithms in Python](https://web.archive.org/web/20161016153130/http://www.brpreiss.com/books/opus7/html/book.html) - B. R. Preiss (PDF)
-* [Dive into Python 3](http://getpython3.com/diveintopython3/) - Mark Pilgrim (3.0)
-  * [Dive into Python](http://www.diveintopython.net) - Mark Pilgrim (2.3)
+* [Dive into Python 3](https://diveintopython3.problemsolving.io) - Mark Pilgrim (3.0)
+  * [Dive into Python](https://linux.die.net/diveintopython/html/toc/index.html) - Mark Pilgrim (2.3)
 * [From Python to NumPy](http://www.labri.fr/perso/nrougier/from-python-to-numpy/)
 * [Full Stack Python](http://www.fullstackpython.com)
 * [Functional Programming in Python](http://www.oreilly.com/programming/free/functional-programming-python.csp) (email address *requested*, not required)