diff --git a/Nss2CSharp.csproj b/Nss2CSharp.csproj
index 4a12be8..81613cd 100644
--- a/Nss2CSharp.csproj
+++ b/Nss2CSharp.csproj
@@ -8,7 +8,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.1.0" />
+      <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.5.0" />
     </ItemGroup>
 
 </Project>