diff --git a/test/OpenPolicyAgent.Opa.AspNetCore.Tests/OpenPolicyAgent.Opa.AspNetCore.Tests.csproj b/test/OpenPolicyAgent.Opa.AspNetCore.Tests/OpenPolicyAgent.Opa.AspNetCore.Tests.csproj
index 2ea2d51..0153de1 100644
--- a/test/OpenPolicyAgent.Opa.AspNetCore.Tests/OpenPolicyAgent.Opa.AspNetCore.Tests.csproj
+++ b/test/OpenPolicyAgent.Opa.AspNetCore.Tests/OpenPolicyAgent.Opa.AspNetCore.Tests.csproj
@@ -11,7 +11,7 @@
 
   <!-- Normal Package Includes. -->
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="8.0.20" />
+    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="8.0.21" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="Testcontainers" Version="4.7.0" />