diff --git a/src/Colectica.SampleAddins/packages.config b/src/Colectica.SampleAddins/packages.config
index 56909af..63778c3 100644
--- a/src/Colectica.SampleAddins/packages.config
+++ b/src/Colectica.SampleAddins/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="ColecticaSDK" version="5.3.6425" targetFramework="net45" />
-  <package id="log4net" version="1.2.10" targetFramework="net45" />
+  <package id="log4net" version="2.0.10" targetFramework="net45" />
   <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net45" />
 </packages>
\ No newline at end of file