diff --git a/README.md b/README.md
index 9530d05..7554b23 100644
--- a/README.md
+++ b/README.md
@@ -212,7 +212,7 @@ A curated list of awesome malware analysis tools and resources. Inspired by
 * [AVCaesar](https://avcaesar.malware.lu/) - Malware.lu online scanner and
   malware repository.
 * [Cryptam](http://www.cryptam.com/) - Analyze suspicious office documents.
-* [Cuckoo Sandbox](http://cuckoosandbox.org/) - Open source, self hosted
+* [Cuckoo Sandbox](https://cuckoosandbox.org/) - Open source, self hosted
   sandbox and automated analysis system.
 * [cuckoo-modified](https://github.com/brad-accuvant/cuckoo-modified) - Modified
   version of Cuckoo Sandbox released under the GPL. Not merged upstream due to