diff --git a/src/EventGridEmulator.Tests/EventGridEmulator.Tests.csproj b/src/EventGridEmulator.Tests/EventGridEmulator.Tests.csproj
index ae49b3e..e7b2697 100644
--- a/src/EventGridEmulator.Tests/EventGridEmulator.Tests.csproj
+++ b/src/EventGridEmulator.Tests/EventGridEmulator.Tests.csproj
@@ -6,7 +6,7 @@
 
   <ItemGroup>
     <PackageReference Include="Azure.Messaging.EventGrid.Namespaces" Version="1.0.0" />
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.11" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">
diff --git a/src/EventGridEmulator/EventGridEmulator.csproj b/src/EventGridEmulator/EventGridEmulator.csproj
index 5c3ce14..68c367d 100644
--- a/src/EventGridEmulator/EventGridEmulator.csproj
+++ b/src/EventGridEmulator/EventGridEmulator.csproj
@@ -5,9 +5,9 @@
 
   <ItemGroup>
     <PackageReference Include="Azure.Messaging.EventGrid" Version="4.28.0" />
-    <PackageReference Include="Microsoft.Extensions.Http" Version="8.0.1" />
-    <PackageReference Include="Microsoft.Extensions.Http.Polly" Version="8.0.11" />
-    <PackageReference Include="Microsoft.Extensions.Options" Version="8.0.2" />
+    <PackageReference Include="Microsoft.Extensions.Http" Version="9.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Http.Polly" Version="9.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Options" Version="9.0.0" />
     <PackageReference Include="Serilog.AspNetCore" Version="8.0.3" />
   </ItemGroup>