diff --git a/server.go b/server.go
index c6ead5d..56c41da 100644
--- a/server.go
+++ b/server.go
@@ -75,12 +75,16 @@ func (s *Server) registerRoutes() {
 	s.mux.Handle("/", http.FileServer(http.FS(publicFS)))
 }
 
-// middleware wraps handlers with CORS and logging.
+// middleware wraps handlers with CORS, no-cache, and logging.
 func (s *Server) middleware(next http.Handler) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		w.Header().Set("Access-Control-Allow-Origin", "*")
 		w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
 		w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
+		// Prevent caching of static files during development.
+		w.Header().Set("Cache-Control", "no-cache, no-store, must-revalidate")
+		w.Header().Set("Pragma", "no-cache")
+		w.Header().Set("Expires", "0")
 
 		if r.Method == "OPTIONS" {
 			w.WriteHeader(http.StatusOK)