diff --git a/ICSharpCode.Decompiler.Tests/ICSharpCode.Decompiler.Tests.csproj b/ICSharpCode.Decompiler.Tests/ICSharpCode.Decompiler.Tests.csproj
index ff393253a..37b69bf18 100644
--- a/ICSharpCode.Decompiler.Tests/ICSharpCode.Decompiler.Tests.csproj
+++ b/ICSharpCode.Decompiler.Tests/ICSharpCode.Decompiler.Tests.csproj
@@ -42,8 +42,8 @@
   <ItemGroup>
     <PackageReference Include="DiffLib" Version="2017.7.26.1241" />
     <PackageReference Include="Microsoft.Build.Locator" Version="1.2.2" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.3.0-beta2-final" />
-    <PackageReference Include="Microsoft.CodeAnalysis.VisualBasic" Version="3.3.0-beta2-final" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.3.0-beta1-final" />
+    <PackageReference Include="Microsoft.CodeAnalysis.VisualBasic" Version="3.3.0-beta1-final" />
     <PackageReference Include="Microsoft.DiaSymReader.Converter.Xml" Version="1.1.0-beta1-63314-01" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.13.0" />
     <PackageReference Include="System.Collections.Immutable" Version="1.5.0" />