diff --git a/src/Our.Umbraco.DonutCaching.TestSite.Common/packages.config b/src/Our.Umbraco.DonutCaching.TestSite.Common/packages.config
index 0744216..4cd3580 100644
--- a/src/Our.Umbraco.DonutCaching.TestSite.Common/packages.config
+++ b/src/Our.Umbraco.DonutCaching.TestSite.Common/packages.config
@@ -45,7 +45,7 @@
   <package id="Serilog.Formatting.Compact.Reader" version="1.0.3" targetFramework="net472" />
   <package id="Serilog.Settings.AppSettings" version="2.2.2" targetFramework="net472" />
   <package id="Serilog.Sinks.File" version="4.0.0" 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.Diagnostics.DiagnosticSource" version="4.4.1" targetFramework="net472" />
   <package id="System.Threading.Tasks.Dataflow" version="4.9.0" targetFramework="net472" />