diff --git a/Sitefinity12-1/packages.config b/Sitefinity12-1/packages.config
index a078edc..6ac249f 100644
--- a/Sitefinity12-1/packages.config
+++ b/Sitefinity12-1/packages.config
@@ -115,7 +115,7 @@
   <package id="ServiceStack.Redis" version="5.5.0" targetFramework="net472" />
   <package id="ServiceStack.Server" version="5.5.0" targetFramework="net472" />
   <package id="ServiceStack.Text" version="5.5.0" targetFramework="net472" />
-  <package id="SharpZipLib" version="0.86.0" targetFramework="net472" />
+  <package id="SharpZipLib" version="1.3.3" targetFramework="net472" />
   <package id="Sitefinity.Gallio_MbUnit" version="3.4.11.0" targetFramework="net472" />
   <package id="Sitefinity.RazorEngine" version="3.0.8.0" targetFramework="net472" />
   <package id="Sitefinity.Windows.Azure" version="2.0.0.4" targetFramework="net472" />