diff --git a/src/JWT/JWT.csproj b/src/JWT/JWT.csproj
index 96e70a42c..5f734c16f 100644
--- a/src/JWT/JWT.csproj
+++ b/src/JWT/JWT.csproj
@@ -34,6 +34,9 @@
 
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard1.3'">
     <PackageReference Include="System.Security.Cryptography.Csp" Version="4.3.0" />
   </ItemGroup>