diff --git a/go.mod b/go.mod
index d43cb00..38a0487 100644
--- a/go.mod
+++ b/go.mod
@@ -20,7 +20,7 @@ require (
 	github.com/fenthope/record v0.0.4
 	github.com/go-json-experiment/json v0.0.0-20250813233538-9b1f9ea2e11b
 	github.com/hashicorp/golang-lru/v2 v2.0.7
-	github.com/infinite-iroha/touka v0.3.7
+	github.com/infinite-iroha/touka v0.3.8
 	github.com/wjqserver/modembed v0.0.1
 )
 
diff --git a/go.sum b/go.sum
index 97337f6..a164f40 100644
--- a/go.sum
+++ b/go.sum
@@ -22,8 +22,8 @@ github.com/go-json-experiment/json v0.0.0-20250813233538-9b1f9ea2e11b h1:6Q4zRHX
 github.com/go-json-experiment/json v0.0.0-20250813233538-9b1f9ea2e11b/go.mod h1:TiCD2a1pcmjd7YnhGH0f/zKNcCD06B029pHhzV23c2M=
 github.com/hashicorp/golang-lru/v2 v2.0.7 h1:a+bsQ5rvGLjzHuww6tVxozPZFVghXaHOwFs4luLUK2k=
 github.com/hashicorp/golang-lru/v2 v2.0.7/go.mod h1:QeFd9opnmA6QUJc5vARoKUSoFhyfM2/ZepoAG6RGpeM=
-github.com/infinite-iroha/touka v0.3.7 h1:bIIZW5Weh7lVpyOWh4FmyR9UOfb5FOt+cR9yQ30FJLA=
-github.com/infinite-iroha/touka v0.3.7/go.mod h1:uwkF1gTrNEgQ4P/Gwtk6WLbERehq3lzB8x1FMedyrfE=
+github.com/infinite-iroha/touka v0.3.8 h1:BK7+hwk5s5SpRFjFKIPe5CzZNzjP36kLHkM/HX6SU38=
+github.com/infinite-iroha/touka v0.3.8/go.mod h1:uwkF1gTrNEgQ4P/Gwtk6WLbERehq3lzB8x1FMedyrfE=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
 github.com/wjqserver/modembed v0.0.1 h1:8ZDz7t9M5DLrUFlYgBUUmrMzxWsZPmHvOazkr/T2jEs=
diff --git a/main.go b/main.go
index 59f0d69..e175f38 100644
--- a/main.go
+++ b/main.go
@@ -390,8 +390,7 @@ func main() {
 			logger.Errorf("Failed to read IP filter list: %v", err)
 			os.Exit(1)
 		}
-		var ipBlockFilter *ipfilter.IPFilter
-		ipBlockFilter, err = ipfilter.NewIPFilter(ipfilter.IPFilterConfig{
+		ipBlockFilter, err := ipfilter.NewIPFilter(ipfilter.IPFilterConfig{
 			EnableAllowList: cfg.IPFilter.EnableAllowList,
 			EnableBlockList: cfg.IPFilter.EnableBlockList,
 			AllowList:       ipAllowList,
@@ -532,12 +531,13 @@ func main() {
 }
 
 func setBackendRoute(r *touka.Engine) {
+
 	backend, err := fs.Sub(backendFS, "backend")
 	if err != nil {
 		logger.Errorf("Failed to load embedded backend pages: %s", err)
 		fmt.Printf("Failed to load embedded backend pages: %s", err)
 		os.Exit(1)
 	}
-	r.HandleFunc([]string{"GET"}, "/admin", pageCacheHeader(), touka.FileServer(http.FS(backend)))
-	r.HandleFunc([]string{"GET"}, "/admin/script.js", pageCacheHeader(), touka.FileServer(http.FS(backend)))
+
+	r.StaticFS("/backend", http.FS(backend))
 }