diff --git a/src/ReactiveUI.Fody.Analyzer.Test/ReactiveUI.Fody.Analyzer.Test.csproj b/src/ReactiveUI.Fody.Analyzer.Test/ReactiveUI.Fody.Analyzer.Test.csproj
index ef05791a62..5fdf1f3df9 100644
--- a/src/ReactiveUI.Fody.Analyzer.Test/ReactiveUI.Fody.Analyzer.Test.csproj
+++ b/src/ReactiveUI.Fody.Analyzer.Test/ReactiveUI.Fody.Analyzer.Test.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.2" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.8.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.9.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
     <PackageReference Include="xunit" Version="2.4.1" />
   </ItemGroup>
diff --git a/src/ReactiveUI.Fody.Analyzer/ReactiveUI.Fody.Analyzer.csproj b/src/ReactiveUI.Fody.Analyzer/ReactiveUI.Fody.Analyzer.csproj
index 499dd0ce6f..2bb1cd102c 100644
--- a/src/ReactiveUI.Fody.Analyzer/ReactiveUI.Fody.Analyzer.csproj
+++ b/src/ReactiveUI.Fody.Analyzer/ReactiveUI.Fody.Analyzer.csproj
@@ -12,7 +12,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.2" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.8.0" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.9.0" PrivateAssets="all" />
     <PackageReference Include="System.Collections.Immutable" Version="5.0.0" />
   </ItemGroup>