diff --git a/free-programming-books-gr.md b/free-programming-books-gr.md
index 83d72d22d232b46bb98e6cfde13edaca532bc02e..0c8b7d3953829a2413e59579fe696fee482ba044 100644
--- a/free-programming-books-gr.md
+++ b/free-programming-books-gr.md
@@ -20,6 +20,6 @@
 
 ### Python
 
-* [Ένα byte της Python](https://dl.dropboxusercontent.com/u/54790396/a_byte_of_python-el.pdf) (PDF)
+* [Ένα byte της Python](https://archive.org/details/AByteOfPythonEl)