diff --git a/System.IO.Abstractions.TestingHelpers.Tests/System.IO.Abstractions.TestingHelpers.Tests.csproj b/System.IO.Abstractions.TestingHelpers.Tests/System.IO.Abstractions.TestingHelpers.Tests.csproj
index a2fd84ada..feabb8335 100644
--- a/System.IO.Abstractions.TestingHelpers.Tests/System.IO.Abstractions.TestingHelpers.Tests.csproj
+++ b/System.IO.Abstractions.TestingHelpers.Tests/System.IO.Abstractions.TestingHelpers.Tests.csproj
@@ -42,7 +42,7 @@
 
   <ItemGroup Condition="'$(TargetFramework)' != 'net40'">
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.2.0" />
-    <PackageReference Include="Moq" Version="4.12.0" />
+    <PackageReference Include="Moq" Version="4.13.0" />
   </ItemGroup>
 
   <ItemGroup>