diff --git a/src/RP2040Sharp.NanoFramework.TestKit.SourceGen/RP2040Sharp.NanoFramework.TestKit.SourceGen.csproj b/src/RP2040Sharp.NanoFramework.TestKit.SourceGen/RP2040Sharp.NanoFramework.TestKit.SourceGen.csproj
index 3956868..f97ebf5 100644
--- a/src/RP2040Sharp.NanoFramework.TestKit.SourceGen/RP2040Sharp.NanoFramework.TestKit.SourceGen.csproj
+++ b/src/RP2040Sharp.NanoFramework.TestKit.SourceGen/RP2040Sharp.NanoFramework.TestKit.SourceGen.csproj
@@ -14,7 +14,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.8.0" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.6.0" PrivateAssets="all" />
   </ItemGroup>
 
 </Project>