diff --git a/manifest.toml b/manifest.toml
index c0df125..c8d98ac 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -59,7 +59,7 @@ ram.runtime = "50M"
     [resources.sources]
 
         [resources.sources.main]
-        url = "https://github.com/BookStackApp/BookStack/archive/refs/tags/v23.12.1tar.gz"
+        url = "https://github.com/BookStackApp/BookStack/archive/refs/tags/v23.12.1.tar.gz"
         sha256 = "c77f8fbb0ecc962fdd75a50fc6257808697f016881ebb71feb7c29ed0e3b58aa"
         rename = "bookstack.tar.gz"
         autoupdate.strategy = "latest_github_tag"