diff --git a/tests/ExcelFinancialFunctions.Tests/ExcelFinancialFunctions.Tests.fsproj b/tests/ExcelFinancialFunctions.Tests/ExcelFinancialFunctions.Tests.fsproj
index 576e369..082c2c4 100644
--- a/tests/ExcelFinancialFunctions.Tests/ExcelFinancialFunctions.Tests.fsproj
+++ b/tests/ExcelFinancialFunctions.Tests/ExcelFinancialFunctions.Tests.fsproj
@@ -15,7 +15,7 @@
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   <ItemGroup>
-    <PackageReference Include="FsCheck" Version="2.16.5" />
+    <PackageReference Include="FsCheck" Version="2.16.6" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Include="NUnit" Version="3.13.3" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />