diff --git a/tests/PSRule.Tests/PSRule.Tests.csproj b/tests/PSRule.Tests/PSRule.Tests.csproj
index b0a49e5cb4..03372a2a2c 100644
--- a/tests/PSRule.Tests/PSRule.Tests.csproj
+++ b/tests/PSRule.Tests/PSRule.Tests.csproj
@@ -13,7 +13,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.10.0" />
     <PackageReference Include="Microsoft.PowerShell.SDK" Version="7.4.21" />
-    <PackageReference Include="Moq" Version="4.20.72" />
+    <PackageReference Include="Moq" Version="4.21.0" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="4.0.0">
       <PrivateAssets>all</PrivateAssets>