diff --git a/BaseSpace.SDK.Tests/packages.config b/BaseSpace.SDK.Tests/packages.config
index c10d2dd..d457148 100644
--- a/BaseSpace.SDK.Tests/packages.config
+++ b/BaseSpace.SDK.Tests/packages.config
@@ -3,7 +3,7 @@
   <package id="Common.Logging" version="3.3.1" targetFramework="net40" />
   <package id="Common.Logging.Core" version="3.3.1" targetFramework="net40" />
   <package id="Common.Logging.Log4Net1210" version="2.2.0" targetFramework="net4" />
-  <package id="log4net" version="1.2.10" targetFramework="net4" />
+  <package id="log4net" version="2.0.10" targetFramework="net4" />
   <package id="ServiceStack.Common" version="3.9.54" targetFramework="net40" />
   <package id="ServiceStack.Text" version="3.9.54" targetFramework="net40" />
   <package id="xunit" version="1.9.1" targetFramework="net4" />