diff --git a/groups b/groups
index 01201bd..5c25f0a 100644
--- a/groups
+++ b/groups
@@ -2,6 +2,7 @@
 #
 085838d19a47cdc7859e281130a006f369fa8037	Administrators
 0be605ebc665e6fdeb13b650121063277a9d4a18	Non-Interactive Users
+a2946ece96278ca0858ff30b4246b5c694edc8b1	CESNET CI
 global:Anonymous-Users                  	Anonymous Users
 global:Project-Owners                   	Project Owners
 global:Registered-Users                 	Registered Users
diff --git a/project.config b/project.config
index 846149e..053c85e 100644
--- a/project.config
+++ b/project.config
@@ -12,6 +12,7 @@
 	priority = batch group Non-Interactive Users
 	streamEvents = group Non-Interactive Users
 	streamEvents = group Registered Users
+	emailReviewers = block group CESNET CI
 [access "refs/*"]
 	read = group Administrators
 	read = group Anonymous Users