diff --git a/Chickensoft.AutoInject.Analyzers.Tests/Chickensoft.AutoInject.Analyzers.Tests.csproj b/Chickensoft.AutoInject.Analyzers.Tests/Chickensoft.AutoInject.Analyzers.Tests.csproj
index f096f63..fefd432 100644
--- a/Chickensoft.AutoInject.Analyzers.Tests/Chickensoft.AutoInject.Analyzers.Tests.csproj
+++ b/Chickensoft.AutoInject.Analyzers.Tests/Chickensoft.AutoInject.Analyzers.Tests.csproj
@@ -20,7 +20,7 @@
     <PackageReference Include="coverlet.collector" Version="10.0.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.9.0" />
     <PackageReference Include="Shouldly" Version="4.3.0" />
-    <PackageReference Include="Microsoft.CodeAnalysis" Version="5.6.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis" Version="5.9.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Analyzer.Testing" Version="1.1.4" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing" Version="1.1.4" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.CodeRefactoring.Testing" Version="1.1.4" />