diff --git a/src/Avalonia.NameGenerator.Tests/Avalonia.NameGenerator.Tests.csproj b/src/Avalonia.NameGenerator.Tests/Avalonia.NameGenerator.Tests.csproj
index 49b747364c..9b16c25a5a 100644
--- a/src/Avalonia.NameGenerator.Tests/Avalonia.NameGenerator.Tests.csproj
+++ b/src/Avalonia.NameGenerator.Tests/Avalonia.NameGenerator.Tests.csproj
@@ -7,8 +7,8 @@
         <InstallAvalonia>true</InstallAvalonia>
     </PropertyGroup>
     <ItemGroup>
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.10.0" />
-        <PackageReference Include="Microsoft.CodeAnalysis.Common" Version="3.10.0" />
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.9.0" />
+        <PackageReference Include="Microsoft.CodeAnalysis.Common" Version="3.9.0" />
         <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.2" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.10.0" />
         <PackageReference Include="xunit" Version="2.4.1" />
diff --git a/src/Avalonia.NameGenerator/Avalonia.NameGenerator.csproj b/src/Avalonia.NameGenerator/Avalonia.NameGenerator.csproj
index 39231ab9f1..2080d02217 100644
--- a/src/Avalonia.NameGenerator/Avalonia.NameGenerator.csproj
+++ b/src/Avalonia.NameGenerator/Avalonia.NameGenerator.csproj
@@ -8,7 +8,7 @@
         <NoPackageAnalysis>true</NoPackageAnalysis>
     </PropertyGroup>
     <ItemGroup>
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.10.0" PrivateAssets="all" />
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.9.0" PrivateAssets="all" />
         <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.2" PrivateAssets="all" />
     </ItemGroup>
     <ItemGroup>