diff --git a/src/Hashflags.Tests/Hashflags.Tests.csproj b/src/Hashflags.Tests/Hashflags.Tests.csproj
index 341eda2..1de3c94 100644
--- a/src/Hashflags.Tests/Hashflags.Tests.csproj
+++ b/src/Hashflags.Tests/Hashflags.Tests.csproj
@@ -9,7 +9,7 @@
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-        <PackageReference Include="Moq" Version="4.18.3" />
+        <PackageReference Include="Moq" Version="4.18.4" />
         <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" />
         <PackageReference Include="xunit" Version="2.4.2" />
     </ItemGroup>