diff --git a/tests/Dns.Tests/Dns.Tests.csproj b/tests/Dns.Tests/Dns.Tests.csproj
index db4044c..a97200a 100644
--- a/tests/Dns.Tests/Dns.Tests.csproj
+++ b/tests/Dns.Tests/Dns.Tests.csproj
@@ -16,7 +16,7 @@
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         <PackageReference Include="SimpleBase" Version="5.6.0" />
-        <PackageReference Include="TUnit" Version="1.19.57" />
+        <PackageReference Include="TUnit" Version="1.21.20" />
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     <ItemGroup>
diff --git a/tests/Mdns.Tests/Mdns.Tests.csproj b/tests/Mdns.Tests/Mdns.Tests.csproj
index 96f9911..f34938f 100644
--- a/tests/Mdns.Tests/Mdns.Tests.csproj
+++ b/tests/Mdns.Tests/Mdns.Tests.csproj
@@ -15,7 +15,7 @@
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-        <PackageReference Include="TUnit" Version="1.19.57" />
+        <PackageReference Include="TUnit" Version="1.21.20" />
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     <ItemGroup>