diff --git a/src/OpenApiSourceGenerator/OpenApiSourceGenerator.csproj b/src/OpenApiSourceGenerator/OpenApiSourceGenerator.csproj
index 382b6ae..1b48056 100644
--- a/src/OpenApiSourceGenerator/OpenApiSourceGenerator.csproj
+++ b/src/OpenApiSourceGenerator/OpenApiSourceGenerator.csproj
@@ -54,7 +54,7 @@
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.3.0"
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.6.0"
             PrivateAssets="all" />
         <PackageReference Include="Microsoft.OpenApi" Version="3.5.4" PrivateAssets="all"
             GeneratePathProperty="true" />