diff --git a/Directory.Packages.props b/Directory.Packages.props
index 73453bb43..2353d5b61 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -47,14 +47,14 @@
     <PackageVersion Include="Microsoft.Build.Utilities.Core" Version="17.12.50" />
     <PackageVersion Include="Microsoft.IdentityModel.JsonWebTokens" Version="8.19.1" />
     <PackageVersion Include="Microsoft.IO.RecyclableMemoryStream" Version="3.0.1" />
-    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.7.0" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
     
     <PackageVersion Include="MsgPack.Cli" Version="1.0.1" />
     <PackageVersion Include="NetCoreServer" Version="8.0.7" />
     <PackageVersion Include="Newtonsoft.Json" Version="13.0.4" />
     
-    <PackageVersion Include="NUnit" Version="4.6.1" />
-    <PackageVersion Include="NUnit3TestAdapter" Version="6.2.0" />
+    <PackageVersion Include="NUnit" Version="3.14.0" />
+    <PackageVersion Include="NUnit3TestAdapter" Version="4.6.0" />
 
     <PackageVersion Include="securifybv.ShellLink" Version="0.1.0" />
     <PackageVersion Include="Sep" Version="0.15.0" />