diff --git a/Roslyn.Testing/Roslyn.Testing.csproj b/Roslyn.Testing/Roslyn.Testing.csproj
index 48d7064..a7e679e 100644
--- a/Roslyn.Testing/Roslyn.Testing.csproj
+++ b/Roslyn.Testing/Roslyn.Testing.csproj
@@ -7,7 +7,7 @@
 
     <ItemGroup>
       <PackageReference Include="JetBrains.Annotations" Version="2023.3.0" />
-      <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.1.0" />
+      <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.12.0" />
       <PackageReference Include="Shouldly" Version="4.1.0" />
     </ItemGroup>
 
diff --git a/System.IO.Abstractions.Analyzers/System.IO.Abstractions.Analyzers.csproj b/System.IO.Abstractions.Analyzers/System.IO.Abstractions.Analyzers.csproj
index 490e0ea..79b7ed0 100644
--- a/System.IO.Abstractions.Analyzers/System.IO.Abstractions.Analyzers.csproj
+++ b/System.IO.Abstractions.Analyzers/System.IO.Abstractions.Analyzers.csproj
@@ -31,7 +31,7 @@
 	<ItemGroup>
 		<PackageReference Include="JetBrains.Annotations" Version="2023.3.0" PrivateAssets="all" />
 		<PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.3" PrivateAssets="all" />
-		<PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.1.0" PrivateAssets="all" />
+		<PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.12.0" PrivateAssets="all" />
 		<PackageReference Update="NETStandard.Library" PrivateAssets="all" />
 		<PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="6.0.0" PrivateAssets="all"/>
 		<PackageReference Include="Roslyn.Diagnostics.Analyzers" Version="3.3.3" PrivateAssets="all" />