diff --git a/Directory.Packages.props b/Directory.Packages.props
index 1655e34..d58735e 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -5,7 +5,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageVersion Include="BenchmarkDotNet" Version="0.15.8" />
-    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.8.0" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="5.0.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.8.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Analyzer.Testing.XUnit" Version="1.1.2" />
     <PackageVersion Include="Serde" Version="0.10.0" />
diff --git a/bench/bench.csproj b/bench/bench.csproj
index 6738444..504750f 100644
--- a/bench/bench.csproj
+++ b/bench/bench.csproj
@@ -14,6 +14,7 @@
 
   <ItemGroup>
     <PackageReference Include="BenchmarkDotNet" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" VersionOverride="5.0.0" />
   </ItemGroup>
 
 </Project>