diff --git a/gremlin-dotnet/test/Gremlin.Net.UnitTest/Gremlin.Net.UnitTest.csproj b/gremlin-dotnet/test/Gremlin.Net.UnitTest/Gremlin.Net.UnitTest.csproj
index 64bb8324dc5..faac03609a5 100644
--- a/gremlin-dotnet/test/Gremlin.Net.UnitTest/Gremlin.Net.UnitTest.csproj
+++ b/gremlin-dotnet/test/Gremlin.Net.UnitTest/Gremlin.Net.UnitTest.csproj
@@ -13,7 +13,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.2.0" />
-    <PackageReference Include="Moq" Version="4.18.1" />
+    <PackageReference Include="Moq" Version="4.18.4" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" />
     <PackageReference Include="xunit" Version="2.4.1" />
   </ItemGroup>