diff --git a/src/SourceGen/SourceGen.csproj b/src/SourceGen/SourceGen.csproj
index 91609929c..4309ea8f7 100644
--- a/src/SourceGen/SourceGen.csproj
+++ b/src/SourceGen/SourceGen.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.14.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.0.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="4.14.0" />
   </ItemGroup>
 </Project>
\ No newline at end of file