diff --git a/src/SJP.FsNotify.Tests/SJP.FsNotify.Tests.csproj b/src/SJP.FsNotify.Tests/SJP.FsNotify.Tests.csproj
index a6e00a4..2b0ed0f 100644
--- a/src/SJP.FsNotify.Tests/SJP.FsNotify.Tests.csproj
+++ b/src/SJP.FsNotify.Tests/SJP.FsNotify.Tests.csproj
@@ -8,7 +8,7 @@
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="10.0.1" PrivateAssets="All" />
     <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="NUnit" Version="4.6.1" />
     <PackageReference Include="NUnit.Analyzers" Version="4.15.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="6.3.0" />