diff --git a/src/test/LowlandTech.TinyTools.UnitTests.csproj b/src/test/LowlandTech.TinyTools.UnitTests.csproj
index 21ce815..8161239 100644
--- a/src/test/LowlandTech.TinyTools.UnitTests.csproj
+++ b/src/test/LowlandTech.TinyTools.UnitTests.csproj
@@ -12,7 +12,7 @@
     <PackageReference Include="FluentAssertions" Version="8.8.0" />
     <PackageReference Include="Humanizer" Version="3.0.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
-    <PackageReference Include="NCalcSync" Version="5.11.0" />
+    <PackageReference Include="NCalcSync" Version="5.12.0" />
     <PackageReference Include="xunit.v3" Version="3.2.2" />
   <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
     <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>