diff --git a/src/Downloader/Downloader.csproj b/src/Downloader/Downloader.csproj
index 18764ea..7939dc8 100644
--- a/src/Downloader/Downloader.csproj
+++ b/src/Downloader/Downloader.csproj
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;netstandard2.1;netcoreapp3.1;net462;net6.0;</TargetFrameworks>
     <LangVersion>latestMajor</LangVersion>
-    <Version>3.1.0</Version>
+    <Version>3.1.0-beta</Version>
     <Title>Downloader</Title>
     <Authors>Behzad Khosravifar</Authors>
     <Company>bezzad</Company>