diff --git a/Demo/packages.config b/Demo/packages.config
index ab3b465..47ba767 100644
--- a/Demo/packages.config
+++ b/Demo/packages.config
@@ -120,7 +120,7 @@
   <package id="ServiceStack.Redis" version="5.11.0" targetFramework="net48" />
   <package id="ServiceStack.Server" version="5.11.0" targetFramework="net48" />
   <package id="ServiceStack.Text" version="5.11.0" targetFramework="net48" />
-  <package id="SharpZipLib" version="0.86.0" targetFramework="net472" />
+  <package id="SharpZipLib" version="1.3.3" 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" />
   <package id="System.Buffers" version="4.5.1" targetFramework="net472" />