diff --git a/src/Tapper.Generator/Tapper.Generator.csproj b/src/Tapper.Generator/Tapper.Generator.csproj
index d0dac59..fe2477a 100644
--- a/src/Tapper.Generator/Tapper.Generator.csproj
+++ b/src/Tapper.Generator/Tapper.Generator.csproj
@@ -26,7 +26,7 @@
         <PackageReference Include="Microsoft.Build" Version="17.4.0" ExcludeAssets="runtime" />
         <PackageReference Include="Microsoft.Build.Locator" Version="1.5.5" />
         <PackageReference Include="ConsoleAppFramework" Version="4.2.4" />
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.4.0" />
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.7.0" />
         <PackageReference Include="Microsoft.CodeAnalysis.Workspaces.MSBuild" Version="4.4.0" />
     </ItemGroup>
 
diff --git a/tests/Tapper.Tests.Analyzer/Tapper.Tests.Analyzer.csproj b/tests/Tapper.Tests.Analyzer/Tapper.Tests.Analyzer.csproj
index d62bb86..04e7a32 100644
--- a/tests/Tapper.Tests.Analyzer/Tapper.Tests.Analyzer.csproj
+++ b/tests/Tapper.Tests.Analyzer/Tapper.Tests.Analyzer.csproj
@@ -9,7 +9,7 @@
     <ItemGroup>
         <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.4.0" />
         <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Analyzer.Testing.XUnit" Version="1.1.1" />
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.4.0" />
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.7.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.1" />
         <PackageReference Include="xunit" Version="2.5.0" />
         <PackageReference Include="xunit.runner.visualstudio" Version="2.5.0">
diff --git a/tests/Tapper.Tests/Tapper.Tests.csproj b/tests/Tapper.Tests/Tapper.Tests.csproj
index 413f164..c007e90 100644
--- a/tests/Tapper.Tests/Tapper.Tests.csproj
+++ b/tests/Tapper.Tests/Tapper.Tests.csproj
@@ -9,7 +9,7 @@
     <ItemGroup>
         <PackageReference Include="Microsoft.Build" Version="17.4.0" ExcludeAssets="runtime" />
         <PackageReference Include="Microsoft.Build.Locator" Version="1.5.5" />
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.4.0" />
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.7.0" />
         <PackageReference Include="Microsoft.CodeAnalysis.Workspaces.MSBuild" Version="4.4.0" />
     </ItemGroup>