diff --git a/cmd/dashboard/main.go b/cmd/dashboard/main.go
index 548e85f..690d7eb 100644
--- a/cmd/dashboard/main.go
+++ b/cmd/dashboard/main.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"html/template"
 	"log"
+	"mime"
 	"net/http"
 	"net/http/httputil"
 	"net/url"
@@ -29,6 +30,14 @@ var (
 	basicPass  = os.Getenv("BASIC_AUTH_PASS")
 )
 
+func init() {
+	_ = mime.AddExtensionType(".css", "text/css")
+	_ = mime.AddExtensionType(".js", "application/javascript")
+	_ = mime.AddExtensionType(".mjs", "application/javascript")
+	_ = mime.AddExtensionType(".woff2", "font/woff2")
+	_ = mime.AddExtensionType(".woff", "font/woff")
+}
+
 func env(k, def string) string {
 	if v := os.Getenv(k); v != "" {
 		return v