diff --git a/src/GraphQL.Server.SourceGenerators/GraphQL.Server.SourceGenerators.csproj b/src/GraphQL.Server.SourceGenerators/GraphQL.Server.SourceGenerators.csproj
index 804712bf4..e87293579 100644
--- a/src/GraphQL.Server.SourceGenerators/GraphQL.Server.SourceGenerators.csproj
+++ b/src/GraphQL.Server.SourceGenerators/GraphQL.Server.SourceGenerators.csproj
@@ -25,7 +25,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.11.0" PrivateAssets="all" />
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.12.0" PrivateAssets="all" />
         <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.11.0" PrivateAssets="all" />
         <PackageReference Include="System.Text.Json" Version="8.0.5" PrivateAssets="all" GeneratePathProperty="true" />
         <PackageReference Include="Scriban" Version="5.10.0" IncludeAssets="Build" />
diff --git a/tests/GraphQL.Server.SourceGenerators.Tests/GraphQL.Server.SourceGenerators.Tests.csproj b/tests/GraphQL.Server.SourceGenerators.Tests/GraphQL.Server.SourceGenerators.Tests.csproj
index e4f1d6fd2..46a570df1 100644
--- a/tests/GraphQL.Server.SourceGenerators.Tests/GraphQL.Server.SourceGenerators.Tests.csproj
+++ b/tests/GraphQL.Server.SourceGenerators.Tests/GraphQL.Server.SourceGenerators.Tests.csproj
@@ -22,7 +22,7 @@
 		<PackageReference Include="Verify.XUnit" Version="28.3.2" />
 		<PackageReference Include="Verify.SourceGenerators" Version="2.5.0" />
 		<PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.11.0" PrivateAssets="all" />
-		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.11.0" PrivateAssets="all" />
+		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.12.0" PrivateAssets="all" />
 	</ItemGroup>
 
 	<ItemGroup>