diff --git a/NuGetKeyVaultSignTool.Core/NuGetKeyVaultSignTool.Core.csproj b/NuGetKeyVaultSignTool.Core/NuGetKeyVaultSignTool.Core.csproj
index 82cb6ea..868d8bf 100644
--- a/NuGetKeyVaultSignTool.Core/NuGetKeyVaultSignTool.Core.csproj
+++ b/NuGetKeyVaultSignTool.Core/NuGetKeyVaultSignTool.Core.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFrameworks>netcoreapp3.1;net5.0</TargetFrameworks>
@@ -10,7 +10,7 @@
     <PackageReference Include="NuGet.Packaging" Version="6.0.0-preview.4.243" />
     <PackageReference Include="NuGet.Protocol" Version="6.0.0-preview.4.243" />    
     <PackageReference Include="RSAKeyVaultProvider" Version="2.1.1" />
-    <PackageReference Include="System.Security.Cryptography.Pkcs" Version="6.0.0-rc.2.21480.5" />
+    <PackageReference Include="System.Security.Cryptography.Pkcs" Version="7.0.2" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.1'">