diff --git a/NaiveJoin/NaiveJoinLib/packages.config b/NaiveJoin/NaiveJoinLib/packages.config
index 984520c..ca7e76e 100644
--- a/NaiveJoin/NaiveJoinLib/packages.config
+++ b/NaiveJoin/NaiveJoinLib/packages.config
@@ -5,7 +5,7 @@
   <package id="Google.Apis.Auth" version="1.11.1" targetFramework="net452" />
   <package id="Google.Apis.Core" version="1.11.1" targetFramework="net452" />
   <package id="Google.Apis.Datastore.v1beta2" version="1.11.1.438" targetFramework="net452" />
-  <package id="log4net" version="2.0.3" targetFramework="net452" />
+  <package id="log4net" version="2.0.10" targetFramework="net452" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net452" />
   <package id="Zlib.Portable.Signed" version="1.11.0" targetFramework="net452" />
 </packages>
\ No newline at end of file