diff --git a/src/Prometheus.Client.DependencyInjection.csproj b/src/Prometheus.Client.DependencyInjection.csproj
index 3433ba6..4a88333 100644
--- a/src/Prometheus.Client.DependencyInjection.csproj
+++ b/src/Prometheus.Client.DependencyInjection.csproj
@@ -7,8 +7,8 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Prometheus.Client" Version="5.2.0" />
-    <PackageReference Condition="'$(TargetFramework)' == 'netstandard2.0'" Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="3.1.32" />
-    <PackageReference Condition="'$(TargetFramework)' == 'net6.0'" Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="6.0.0" />
-    <PackageReference Condition="'$(TargetFramework)' == 'net8.0'" Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.0.2" />
+    <PackageReference Condition="'$(TargetFramework)' == 'netstandard2.0'" Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="9.0.0" />
+    <PackageReference Condition="'$(TargetFramework)' == 'net6.0'" Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="9.0.0" />
+    <PackageReference Condition="'$(TargetFramework)' == 'net8.0'" Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="9.0.0" />
   </ItemGroup>
 </Project>
diff --git a/tests/Prometheus.Client.DependencyInjection.Tests.csproj b/tests/Prometheus.Client.DependencyInjection.Tests.csproj
index c82064f..4426264 100644
--- a/tests/Prometheus.Client.DependencyInjection.Tests.csproj
+++ b/tests/Prometheus.Client.DependencyInjection.Tests.csproj
@@ -20,7 +20,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.1" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="9.0.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\src\Prometheus.Client.DependencyInjection.csproj" />