diff --git a/tests/vb/Reference.Tests.VB.NUnit/Reference.Tests.VB.NUnit.vbproj b/tests/vb/Reference.Tests.VB.NUnit/Reference.Tests.VB.NUnit.vbproj
index a6a2ee3..3cb91d8 100644
--- a/tests/vb/Reference.Tests.VB.NUnit/Reference.Tests.VB.NUnit.vbproj
+++ b/tests/vb/Reference.Tests.VB.NUnit/Reference.Tests.VB.NUnit.vbproj
@@ -12,7 +12,7 @@
     <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>