diff --git a/test/IdentityServer4.Postgresql.IntegrationTests/IdentityServer4.Postgresql.IntegrationTests.csproj b/test/IdentityServer4.Postgresql.IntegrationTests/IdentityServer4.Postgresql.IntegrationTests.csproj
index 1837182..9829fc8 100644
--- a/test/IdentityServer4.Postgresql.IntegrationTests/IdentityServer4.Postgresql.IntegrationTests.csproj
+++ b/test/IdentityServer4.Postgresql.IntegrationTests/IdentityServer4.Postgresql.IntegrationTests.csproj
@@ -18,7 +18,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="FakeItEasy" Version="5.1.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
diff --git a/test/IdentityServer4.Postgresql.UnitTests/IdentityServer4.Postgresql.UnitTests.csproj b/test/IdentityServer4.Postgresql.UnitTests/IdentityServer4.Postgresql.UnitTests.csproj
index 8d9e8c3..cee8abe 100644
--- a/test/IdentityServer4.Postgresql.UnitTests/IdentityServer4.Postgresql.UnitTests.csproj
+++ b/test/IdentityServer4.Postgresql.UnitTests/IdentityServer4.Postgresql.UnitTests.csproj
@@ -15,7 +15,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>