Modify access rules
diff --git a/project.config b/project.config
index af6280d..16541c0 100644
--- a/project.config
+++ b/project.config
@@ -12,3 +12,5 @@
 	read = group EcardUsers
 [access "refs/for/refs/heads/*"]
 	push = group EcardDeveloper
+[access "refs/tags/*"]
+	push = group EcardAdmin