diff --git a/build/sign.csproj b/build/sign.csproj
index fa055f4d..2b26a8bd 100644
--- a/build/sign.csproj
+++ b/build/sign.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFramework>net461</TargetFramework>
     <OutDir Condition="'$(OutDir)' == ''">../x64/</OutDir>
   </PropertyGroup>
   
@@ -15,7 +15,7 @@
 
   <ItemGroup>
       <FilesToSign Include="$(OutDir)**/DotNetBridge.dll">
-        <Authenticode>Microsoft</Authenticode>
+        <Authenticode>Microsoft400</Authenticode>
       </FilesToSign>
   </ItemGroup>