diff --git a/test/CodoMetis.ValueRanges.Conventions.Tests/CodoMetis.ValueRanges.Conventions.Tests.csproj b/test/CodoMetis.ValueRanges.Conventions.Tests/CodoMetis.ValueRanges.Conventions.Tests.csproj
index 78a68b7..5bd3714 100644
--- a/test/CodoMetis.ValueRanges.Conventions.Tests/CodoMetis.ValueRanges.Conventions.Tests.csproj
+++ b/test/CodoMetis.ValueRanges.Conventions.Tests/CodoMetis.ValueRanges.Conventions.Tests.csproj
@@ -9,7 +9,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.6.0" />
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.9.0" />
         <PackageReference Include="MSTest" Version="4.3.3" />
     </ItemGroup>