diff --git a/pkgs/nextcloud-apps.toml b/pkgs/nextcloud-apps.toml
index 0620299..6e06432 100644
--- a/pkgs/nextcloud-apps.toml
+++ b/pkgs/nextcloud-apps.toml
@@ -18,8 +18,9 @@ src.manual = "v4.2.2" # Pinned until we update to nextcloud 25
 fetch.url = "https://github.com/nextcloud-releases/contacts/releases/download/$ver/contacts-$ver.tar.gz"
 
 [cookbook]
-src.github = "nextcloud/cookbook"
+src.github_tag = "nextcloud/cookbook"
 src.prefix = "v"
+src.exclude_regex = 'v\d+\.\d+\.\d+-rc\d+'
 fetch.url = "https://github.com/nextcloud/cookbook/releases/download/v$ver/Cookbook-$ver.tar.gz"
 
 [news]