diff --git a/zzio.tests/zzio.tests.csproj b/zzio.tests/zzio.tests.csproj
index c4f9cbc1..a2b70f03 100644
--- a/zzio.tests/zzio.tests.csproj
+++ b/zzio.tests/zzio.tests.csproj
@@ -11,7 +11,7 @@
   <ItemGroup>
     <PackageReference Include="nunit" Version="4.2.2" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/zzre.core.tests/zzre.core.tests.csproj b/zzre.core.tests/zzre.core.tests.csproj
index 4eab2a12..25a93683 100644
--- a/zzre.core.tests/zzre.core.tests.csproj
+++ b/zzre.core.tests/zzre.core.tests.csproj
@@ -11,7 +11,7 @@
   <ItemGroup>
     <PackageReference Include="nunit" Version="4.2.2" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
   </ItemGroup>
 
   <ItemGroup>