diff --git a/OpenSRS.NET.Tests/OpenSRS.NET.Tests.csproj b/OpenSRS.NET.Tests/OpenSRS.NET.Tests.csproj
index 6e5d498..77c5373 100644
--- a/OpenSRS.NET.Tests/OpenSRS.NET.Tests.csproj
+++ b/OpenSRS.NET.Tests/OpenSRS.NET.Tests.csproj
@@ -16,7 +16,7 @@
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="10.0.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.10.1" />
-    <PackageReference Include="Moq" Version="4.20.72" />
+    <PackageReference Include="Moq" Version="4.21.0" />
     <PackageReference Include="System.Text.Json" Version="10.0.12" />
     <PackageReference Include="xunit.v3" Version="4.0.1" />
     <PackageReference Include="Xunit.DependencyInjection" Version="12.0.1" />