diff --git a/IDisposableAnalyzers.Benchmarks/IDisposableAnalyzers.Benchmarks.csproj b/IDisposableAnalyzers.Benchmarks/IDisposableAnalyzers.Benchmarks.csproj
index a402e986..d73005d7 100644
--- a/IDisposableAnalyzers.Benchmarks/IDisposableAnalyzers.Benchmarks.csproj
+++ b/IDisposableAnalyzers.Benchmarks/IDisposableAnalyzers.Benchmarks.csproj
@@ -21,7 +21,7 @@
     <PackageReference Include="BenchmarkDotNet" Version="0.13.12" />
     <PackageReference Include="Gu.Analyzers" Version="2.0.3" PrivateAssets="all" />
     <PackageReference Include="Gu.Roslyn.Asserts" Version="4.3.0" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.5.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.9.2" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Include="NUnit" Version="4.0.1" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
diff --git a/IDisposableAnalyzers.Test/IDisposableAnalyzers.Test.csproj b/IDisposableAnalyzers.Test/IDisposableAnalyzers.Test.csproj
index 22e65266..320993b9 100644
--- a/IDisposableAnalyzers.Test/IDisposableAnalyzers.Test.csproj
+++ b/IDisposableAnalyzers.Test/IDisposableAnalyzers.Test.csproj
@@ -34,7 +34,7 @@
     <PackageReference Include="Gu.Wpf.Reactive" Version="5.0.1" />
     <PackageReference Include="Gu.Roslyn.Asserts" Version="4.3.0" />
     <PackageReference Include="Gu.Roslyn.Asserts.Analyzers" Version="4.0.0" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.5.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.9.2" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.1.1" />