diff --git a/front_running/README.md b/front_running/README.md
index aa348f5..7ac5380 100644
--- a/front_running/README.md
+++ b/front_running/README.md
@@ -26,3 +26,4 @@
 ### resources
 
 
+* [shutter frontrunning protection](https://github.com/shutter-network/shutter)