diff --git a/cloud-spreadsheet-server/admin_client/Messages/Messages.csproj b/cloud-spreadsheet-server/admin_client/Messages/Messages.csproj
old mode 100755
new mode 100644
index 7977d1b..2230c68
--- a/cloud-spreadsheet-server/admin_client/Messages/Messages.csproj
+++ b/cloud-spreadsheet-server/admin_client/Messages/Messages.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
 </Project>