diff --git a/Gu.Reactive.Analyzers.Tests/Gu.Reactive.Analyzers.Tests.csproj b/Gu.Reactive.Analyzers.Tests/Gu.Reactive.Analyzers.Tests.csproj
index 3a42ba64..0ddbe562 100644
--- a/Gu.Reactive.Analyzers.Tests/Gu.Reactive.Analyzers.Tests.csproj
+++ b/Gu.Reactive.Analyzers.Tests/Gu.Reactive.Analyzers.Tests.csproj
@@ -30,7 +30,7 @@
     <PackageReference Include="Gu.Roslyn.Asserts.Analyzers" Version="4.0.0" PrivateAssets="all" />
     <PackageReference Include="IDisposableAnalyzers" Version="4.0.6" PrivateAssets="all" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.0" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.5.0" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.6.0" PrivateAssets="all" />
     <PackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" Version="17.6.40" PrivateAssets="all" />
     <PackageReference Include="NUnit" Version="3.13.3" PrivateAssets="all" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" PrivateAssets="all" />
diff --git a/Gu.Reactive.Analyzers/Gu.Reactive.Analyzers.csproj b/Gu.Reactive.Analyzers/Gu.Reactive.Analyzers.csproj
index 7ba7865c..88546778 100644
--- a/Gu.Reactive.Analyzers/Gu.Reactive.Analyzers.csproj
+++ b/Gu.Reactive.Analyzers/Gu.Reactive.Analyzers.csproj
@@ -42,7 +42,7 @@
     <PackageReference Include="Gu.Analyzers" Version="2.0.3" PrivateAssets="all" />
     <PackageReference Include="Gu.Roslyn.Extensions.Source" Version="0.17.0" />
     <PackageReference Include="IDisposableAnalyzers" Version="4.0.6" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.5.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.6.0" />
     <PackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" Version="17.6.40" PrivateAssets="all" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.2.0-beta.435" PrivateAssets="all" />
     <PackageReference Include="WpfAnalyzers" Version="4.1.1" PrivateAssets="all" />
diff --git a/Gu.Reactive.Benchmarks/Gu.Reactive.Benchmarks.csproj b/Gu.Reactive.Benchmarks/Gu.Reactive.Benchmarks.csproj
index 0a4a2c98..cad96006 100644
--- a/Gu.Reactive.Benchmarks/Gu.Reactive.Benchmarks.csproj
+++ b/Gu.Reactive.Benchmarks/Gu.Reactive.Benchmarks.csproj
@@ -31,7 +31,7 @@
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     <PackageReference Include="Gu.Roslyn.Asserts" Version="4.3.0" />
     <PackageReference Include="IDisposableAnalyzers" Version="4.0.6" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.5.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.6.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.0" />
     <PackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" Version="17.6.40" PrivateAssets="all" />
     <PackageReference Include="NUnit" Version="3.13.3" />