lib/caddy.rb in caddy-1.5.1 vs lib/caddy.rb in caddy-1.5.2

@@ -26,9 +26,11 @@
       @started_pid = $$
     elsif @started_pid && $$ != @started_pid
       raise "Please run `Caddy.start` *after* forking, as the refresh thread will get killed after fork"
     end
 
+    @caches.freeze
+
     @caches.values.each(&:start).all?
   end
 
   def self.stop
     @caches.values.each(&:stop).all?