diff --git a/test/Soenneker.Utils.DateTime.Tests.csproj b/test/Soenneker.Utils.DateTime.Tests.csproj
index 3080a9b7..7716493c 100644
--- a/test/Soenneker.Utils.DateTime.Tests.csproj
+++ b/test/Soenneker.Utils.DateTime.Tests.csproj
@@ -27,7 +27,7 @@
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>
         <PackageReference Include="Soenneker.Utils.Test" Version="2.1.179" />
-        <PackageReference Include="Soenneker.Tests.FixturedUnit" Version="2.1.662" />
+        <PackageReference Include="Soenneker.Tests.FixturedUnit" Version="2.1.664" />
     </ItemGroup>
 
     <ItemGroup>