diff --git a/TestProcessWrapper.LongLived.Application/TestProcessWrapper.LongLived.Application.csproj b/TestProcessWrapper.LongLived.Application/TestProcessWrapper.LongLived.Application.csproj
index d98e1bf..a56c185 100644
--- a/TestProcessWrapper.LongLived.Application/TestProcessWrapper.LongLived.Application.csproj
+++ b/TestProcessWrapper.LongLived.Application/TestProcessWrapper.LongLived.Application.csproj
@@ -6,7 +6,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="8.0.0">
+      <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="9.0.0">
         <PrivateAssets>all</PrivateAssets>
         <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       </PackageReference>