diff --git a/src/SLNX-validator.Core/SLNX-validator.Core.csproj b/src/SLNX-validator.Core/SLNX-validator.Core.csproj
index 1c1ca24..5237c71 100644
--- a/src/SLNX-validator.Core/SLNX-validator.Core.csproj
+++ b/src/SLNX-validator.Core/SLNX-validator.Core.csproj
@@ -15,7 +15,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.*" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="9.*" />
   </ItemGroup>
 
 </Project>