diff --git a/ln.http/ln.http.csproj b/ln.http/ln.http.csproj
index 8ce1466..ecb1285 100644
--- a/ln.http/ln.http.csproj
+++ b/ln.http/ln.http.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TargetFramework>netcoreapp3.1</TargetFramework>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <Version>0.4.0</Version>
+    <Version>0.4.1</Version>
     <Authors>Harald Wolff-Thobaben</Authors>
     <Company>l--n.de</Company>
     <Description />
diff --git a/ln.http/router/StaticRouter.cs b/ln.http/router/StaticRouter.cs
index d2b1b4a..01ab456 100644
--- a/ln.http/router/StaticRouter.cs
+++ b/ln.http/router/StaticRouter.cs
@@ -55,7 +55,7 @@ namespace ln.http.router
             {
                 lock (this)
                 {
-                    HttpResponse httpResponse = new HttpResponse(httpRequest, new FileStream(finalPath, FileMode.Open));
+                    HttpResponse httpResponse = new HttpResponse(httpRequest, new FileStream(finalPath, FileMode.Open, FileAccess.Read));
                     httpResponse.SetHeader("content-type", MimeTypeMap.GetMimeType(Path.GetExtension(finalPath)));
                     return httpResponse;
                 }