diff --git a/src/FixedMath.NET.Generators/FixedMath.NET.Generators.csproj b/src/FixedMath.NET.Generators/FixedMath.NET.Generators.csproj
index 633836d..4f6f476 100644
--- a/src/FixedMath.NET.Generators/FixedMath.NET.Generators.csproj
+++ b/src/FixedMath.NET.Generators/FixedMath.NET.Generators.csproj
@@ -10,7 +10,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.9.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.3.1" />
   </ItemGroup>
 
   <ItemGroup>