diff --git a/Source/Umbraco.TestSite.Events.Models/packages.config b/Source/Umbraco.TestSite.Events.Models/packages.config
index 15c57a8..34c1fb3 100644
--- a/Source/Umbraco.TestSite.Events.Models/packages.config
+++ b/Source/Umbraco.TestSite.Events.Models/packages.config
@@ -49,7 +49,7 @@
   <package id="Serilog.Sinks.Async" version="1.3.0" targetFramework="net472" />
   <package id="Serilog.Sinks.File" version="4.0.0" targetFramework="net472" />
   <package id="Serilog.Sinks.Map" version="1.0.0" targetFramework="net472" />
-  <package id="SharpZipLib" version="0.86.0" targetFramework="net472" />
+  <package id="SharpZipLib" version="1.3.3" targetFramework="net472" />
   <package id="Superpower" version="2.0.0" targetFramework="net472" />
   <package id="System.AppContext" version="4.3.0" targetFramework="net472" />
   <package id="System.Collections" version="4.3.0" targetFramework="net472" />