diff --git a/FTMS.NET.Tests/FTMS.NET.Tests.csproj b/FTMS.NET.Tests/FTMS.NET.Tests.csproj
index 45517c6..9c24595 100644
--- a/FTMS.NET.Tests/FTMS.NET.Tests.csproj
+++ b/FTMS.NET.Tests/FTMS.NET.Tests.csproj
@@ -11,7 +11,7 @@
     </PackageReference>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.10.1" />
     <PackageReference Include="Microsoft.Reactive.Testing" Version="7.0.0" />
-    <PackageReference Include="Moq" Version="4.20.72" />
+    <PackageReference Include="Moq" Version="4.21.0" />
     <PackageReference Include="xunit.v3" Version="4.0.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="4.0.0" PrivateAssets="all" />
   </ItemGroup>