Modify access rules
diff --git a/project.config b/project.config
index 24bd8e4..5aed32c 100644
--- a/project.config
+++ b/project.config
@@ -61,6 +61,7 @@
 	label-Code-Review = -2..+2 group Coral-Admins
 	label-Presubmit = -1..+1 group Coral-Admins
 [access "refs/tags/*"]
+	createSignedTag = group Coral-Admins
 	createSignedTag = group Google-Developer
 	push = group Google-Developer
 [label "Code-Review"]