diff --git a/OpenXmlHelper/ExcelTest/packages.config b/OpenXmlHelper/ExcelTest/packages.config
index d76a6be..00c9a45 100644
--- a/OpenXmlHelper/ExcelTest/packages.config
+++ b/OpenXmlHelper/ExcelTest/packages.config
@@ -2,5 +2,5 @@
 <packages>
   <package id="DocumentFormat.OpenXml" version="2.5" targetFramework="net45" />
   <package id="NPOI" version="2.3.0" targetFramework="net45" />
-  <package id="SharpZipLib" version="0.86.0" targetFramework="net45" />
+  <package id="SharpZipLib" version="1.3.3" targetFramework="net45" />
 </packages>
\ No newline at end of file