diff --git a/tests/ImmutableEditableObjectAdapter.Tests/ImmutableEditableObjectAdapter.Tests.csproj b/tests/ImmutableEditableObjectAdapter.Tests/ImmutableEditableObjectAdapter.Tests.csproj
index 6c7f6f9..8ae0574 100644
--- a/tests/ImmutableEditableObjectAdapter.Tests/ImmutableEditableObjectAdapter.Tests.csproj
+++ b/tests/ImmutableEditableObjectAdapter.Tests/ImmutableEditableObjectAdapter.Tests.csproj
@@ -12,8 +12,8 @@
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-        <PackageReference Include="Microsoft.CodeAnalysis.Common" Version="4.14.0" />
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.14.0" />
+        <PackageReference Include="Microsoft.CodeAnalysis.Common" Version="5.3.0" />
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.3.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1"/>
         <PackageReference Include="xunit" Version="2.9.3"/>
         <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5"/>