diff --git a/tests/fsharp/Reference.Tests.FSharp.NUnit/Reference.Tests.FSharp.NUnit.fsproj b/tests/fsharp/Reference.Tests.FSharp.NUnit/Reference.Tests.FSharp.NUnit.fsproj
index 1fedb97..b6c841c 100644
--- a/tests/fsharp/Reference.Tests.FSharp.NUnit/Reference.Tests.FSharp.NUnit.fsproj
+++ b/tests/fsharp/Reference.Tests.FSharp.NUnit/Reference.Tests.FSharp.NUnit.fsproj
@@ -13,7 +13,7 @@
     <PackageReference Include="OpenTracing" Version="0.12.0" />
     <PackageReference Include="Serilog" Version="2.8.0" />
     <PackageReference Include="NLog" Version="4.6.3" />
-    <PackageReference Include="log4net" Version="2.0.8" />    
+    <PackageReference Include="log4net" Version="2.0.10" />    
   </ItemGroup>
 
   <ItemGroup>