diff --git a/README.md b/README.md
index 5845ca2..c5196de 100644
--- a/README.md
+++ b/README.md
@@ -92,6 +92,7 @@ Resources focused on exploiting or defending against prompt injections.
 - [TakSec/Prompt-Injection-Everywhere](https://github.com/TakSec/Prompt-Injection-Everywhere) - Guide to prompt injection in various systems.
 - [yunwei37/prompt-hacker-collections](https://github.com/yunwei37/prompt-hacker-collections) - Collection of prompt hacking methods and exploits.
 - [AdverserialAttack-InjectionPrompt](https://github.com/Moaad-Ben/AdverserialAttack-InjectionPrompt) - Adversarial attacks through prompt injections.
+- [PromptTrace](https://prompttrace.airedlab.com) - Free prompt injection and AI security labs with real LLMs. Full prompt stack visibility via Context Trace. 10 labs + 15-level CTF.
 
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