diff --git a/go.mod b/go.mod
index f7de00b..4650ed3 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module git.gutmet.org/simpleserver.git
 
-require git.gutmet.org/goutil.git v0.0.0-20181208191316-76ae04a2662a
+go 1.14
diff --git a/server.go b/server.go
index 569ad3c..fcefbc2 100644
--- a/server.go
+++ b/server.go
@@ -2,7 +2,7 @@ package simpleserver
 
 import (
 	"fmt"
-	"git.gutmet.org/goutil.git"
+	"io/ioutil"
 	"net/http"
 	"os"
 	"os/signal"
@@ -20,8 +20,8 @@ func viewHandler(root string, w http.ResponseWriter, r *http.Request) {
 		file = filepath.Join(file, "index.html")
 	}
 	fmt.Println("GET " + file)
-	content, _ := goutil.ReadFile(file)
-	fmt.Fprint(w, content)
+	content, _ := ioutil.ReadFile(file)
+	fmt.Fprint(w, string(content))
 }
 
 func Serve(root string) {