diff --git a/README.md b/README.md
index 9c1bc91..f931404 100644
--- a/README.md
+++ b/README.md
@@ -75,7 +75,7 @@ A curated list of awesome reversing resources
 * [Flare-on Challenges](http://flare-on.com/)
 * [Github CTF Archives](http://github.com/ctfs/)
 * [Reverse Engineering Challenges](http://challenges.re/)
-* [xorpd Advanced Assembly Exercises](http://www.xorpd.net/pages/xchg_rax/snip_00.html)
+* [xorpd Advanced Assembly Exercises](https://www.xorpd.net/pages/xchg_rax/snip_00.html)
 * [Virusshare.com](http://virusshare.com/)
 * [Contagio](http://contagiodump.blogspot.com/)
 * [Malware-Traffic-Analysis](https://malware-traffic-analysis.com/)