diff --git a/Kattbot.Tests/Kattbot.Tests.csproj b/Kattbot.Tests/Kattbot.Tests.csproj
index 918b6ee..f4830b8 100644
--- a/Kattbot.Tests/Kattbot.Tests.csproj
+++ b/Kattbot.Tests/Kattbot.Tests.csproj
@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
-    <PackageReference Include="Moq" Version="4.18.3" />
+    <PackageReference Include="Moq" Version="4.18.4" />
     <PackageReference Include="MSTest.TestAdapter" Version="2.2.10" />
     <PackageReference Include="MSTest.TestFramework" Version="2.2.10" />
     <PackageReference Include="coverlet.collector" Version="3.2.0">