diff --git a/CIfParserTest/CifParserTest.csproj b/CIfParserTest/CifParserTest.csproj
index d0f4b78..da69c6b 100644
--- a/CIfParserTest/CifParserTest.csproj
+++ b/CIfParserTest/CifParserTest.csproj
@@ -16,7 +16,7 @@
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     <PackageReference Include="Serilog" Version="3.1.0" />
     <PackageReference Include="xunit" Version="2.6.1" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3">
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>