diff --git a/tests/PostQuantum.FileEncryption.Tests/PostQuantum.FileEncryption.Tests.csproj b/tests/PostQuantum.FileEncryption.Tests/PostQuantum.FileEncryption.Tests.csproj
index e1edb06..8b1c294 100644
--- a/tests/PostQuantum.FileEncryption.Tests/PostQuantum.FileEncryption.Tests.csproj
+++ b/tests/PostQuantum.FileEncryption.Tests/PostQuantum.FileEncryption.Tests.csproj
@@ -19,7 +19,7 @@
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-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.7.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5" />
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