diff --git a/3.Machine_learning/1.msc_mayor_app/msc_vb_cs/vb_msc_mayor/packages.config b/3.Machine_learning/1.msc_mayor_app/msc_vb_cs/vb_msc_mayor/packages.config
index c75278b..f446255 100644
--- a/3.Machine_learning/1.msc_mayor_app/msc_vb_cs/vb_msc_mayor/packages.config
+++ b/3.Machine_learning/1.msc_mayor_app/msc_vb_cs/vb_msc_mayor/packages.config
@@ -6,6 +6,6 @@
   <package id="Accord.MachineLearning" version="3.8.0" targetFramework="net45" />
   <package id="Accord.Math" version="3.8.0" targetFramework="net45" />
   <package id="Accord.Statistics" version="3.8.0" targetFramework="net45" />
-  <package id="SharpZipLib" version="0.86.0" targetFramework="net45" />
+  <package id="SharpZipLib" version="1.3.3" targetFramework="net45" />
   <package id="ZedGraph" version="5.1.7" targetFramework="net45" />
 </packages>
\ No newline at end of file