diff --git a/tests/PostQuantum.FileFormat.Cli.Tests/PostQuantum.FileFormat.Cli.Tests.csproj b/tests/PostQuantum.FileFormat.Cli.Tests/PostQuantum.FileFormat.Cli.Tests.csproj
index 1158961..9c0efb7 100644
--- a/tests/PostQuantum.FileFormat.Cli.Tests/PostQuantum.FileFormat.Cli.Tests.csproj
+++ b/tests/PostQuantum.FileFormat.Cli.Tests/PostQuantum.FileFormat.Cli.Tests.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.4" />
     <PackageReference Include="coverlet.collector" Version="6.0.2" />
diff --git a/tests/PostQuantum.FileFormat.Tests/PostQuantum.FileFormat.Tests.csproj b/tests/PostQuantum.FileFormat.Tests/PostQuantum.FileFormat.Tests.csproj
index ba3223d..80c9bdc 100644
--- a/tests/PostQuantum.FileFormat.Tests/PostQuantum.FileFormat.Tests.csproj
+++ b/tests/PostQuantum.FileFormat.Tests/PostQuantum.FileFormat.Tests.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.4" />
     <PackageReference Include="FsCheck.Xunit" Version="3.0.1" />