diff --git a/OpenApiWithAzureFunctions.Test/OpenApiWithAzureFunctions.Test.csproj b/OpenApiWithAzureFunctions.Test/OpenApiWithAzureFunctions.Test.csproj
index 513d1a0..640789e 100644
--- a/OpenApiWithAzureFunctions.Test/OpenApiWithAzureFunctions.Test.csproj
+++ b/OpenApiWithAzureFunctions.Test/OpenApiWithAzureFunctions.Test.csproj
@@ -10,7 +10,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="2.2.8" />
     <PackageReference Include="MSTest.TestFramework" Version="2.2.8" />
-    <PackageReference Include="Microsoft.CodeAnalysis" Version="4.1.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis" Version="4.3.1" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Analyzer.Testing.MSTest" Version="1.1.1" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing.MSTest" Version="1.1.1" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.CodeRefactoring.Testing.MSTest" Version="1.1.1" />