diff -r 6a2808a48c51 -r 3e20da339306 src/Pure/System/isabelle_tool.scala
--- a/src/Pure/System/isabelle_tool.scala	Wed May 07 11:58:10 2025 +0200
+++ b/src/Pure/System/isabelle_tool.scala	Wed May 07 21:52:22 2025 +0200
@@ -132,6 +132,7 @@
   Build_Manager.isabelle_tool2,
   Build_Schedule.isabelle_tool,
   Build_CI.isabelle_tool,
+  Caddy_Setup.isabelle_tool,
   Doc.isabelle_tool,
   Docker_Build.isabelle_tool,
   Document_Build.isabelle_tool,