diff --git a/src/OpenApiSourceGenerator.Tests/OpenApiSourceGenerator.Tests.csproj b/src/OpenApiSourceGenerator.Tests/OpenApiSourceGenerator.Tests.csproj
index 99d806a..2209e18 100644
--- a/src/OpenApiSourceGenerator.Tests/OpenApiSourceGenerator.Tests.csproj
+++ b/src/OpenApiSourceGenerator.Tests/OpenApiSourceGenerator.Tests.csproj
@@ -6,8 +6,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.Common" Version="5.3.0" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.3.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.Common" Version="5.6.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.6.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
     <PackageReference Include="Microsoft.OpenApi" Version="3.3.1" />
     <PackageReference Include="Microsoft.OpenApi.YamlReader" Version="3.3.1" />
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" />