diff --git a/src/ZeroAlloc.StateMachine.Generator/ZeroAlloc.StateMachine.Generator.csproj b/src/ZeroAlloc.StateMachine.Generator/ZeroAlloc.StateMachine.Generator.csproj
index 27fd891..1a54192 100644
--- a/src/ZeroAlloc.StateMachine.Generator/ZeroAlloc.StateMachine.Generator.csproj
+++ b/src/ZeroAlloc.StateMachine.Generator/ZeroAlloc.StateMachine.Generator.csproj
@@ -20,7 +20,7 @@
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-    <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="5.6.0" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.9.0" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="5.9.0" PrivateAssets="all" />
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 </Project>
diff --git a/tests/ZeroAlloc.StateMachine.Generator.Tests/ZeroAlloc.StateMachine.Generator.Tests.csproj b/tests/ZeroAlloc.StateMachine.Generator.Tests/ZeroAlloc.StateMachine.Generator.Tests.csproj
index a685aab..77b6615 100644
--- a/tests/ZeroAlloc.StateMachine.Generator.Tests/ZeroAlloc.StateMachine.Generator.Tests.csproj
+++ b/tests/ZeroAlloc.StateMachine.Generator.Tests/ZeroAlloc.StateMachine.Generator.Tests.csproj
@@ -9,7 +9,7 @@
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     <PackageReference Include="AwesomeAssertions" Version="9.5.0" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.6.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.9.0" />
 <PackageReference Include="Verify.Xunit" Version="31.12.5" />
     <ProjectReference Include="..\..\src\ZeroAlloc.StateMachine\ZeroAlloc.StateMachine.csproj" />
     <ProjectReference Include="..\..\src\ZeroAlloc.StateMachine.Generator\ZeroAlloc.StateMachine.Generator.csproj" />