diff --git a/README.md b/README.md
index a37a5d5..a12ff4a 100644
--- a/README.md
+++ b/README.md
@@ -1268,9 +1268,10 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [C FAQ](http://c-faq.com/) - C frequently asked questions.
 * [C++ FAQ](http://www.parashift.com/c++-faq/) - C++ frequently asked questions.
 * [C++ FQA Lite](http://yosefk.com/c++fqa/) - C++ frequently questioned answers.
+* [C++ Quiz](https://cppquiz.org) - A simple online quiz that you can use to test your knowledge of the C++ programming language.
 * [Guru of the Week](http://www.gotw.ca/gotw/) - A regular series of C++ programming problems created and written by Herb Sutter.
 * [Meeting C++](http://meetingcpp.com/)
-* [C++ Quiz](http://q.viva64.com/) - C++ quiz in which you propose to find errors in code fragments of open source projects.
+* [PVS-Studio’s challenge](https://quiz.pvs-studio.com) - PVS-Studio’s C++ quiz in which you're asked to find errors in code fragments of open source projects.
 * [Udemy C++ Courses and Tutorials](https://www.udemy.com/topic/C-plus-plus-tutorials/)
 * [C++ Hints](http://cpphints.com/) - Every business day hints about most often C++ mistakes and ways to solve them from PVS-Studio Team.
 * [C++ tutorial](https://hackr.io/tutorials/learn-c-plus-plus) - A user ranked online tutorial bank site displaying multiple courses to learn C++ from.