diff --git a/src/UmbracoExamine.PDF/packages.config b/src/UmbracoExamine.PDF/packages.config
index 786ee3b..010eacd 100644
--- a/src/UmbracoExamine.PDF/packages.config
+++ b/src/UmbracoExamine.PDF/packages.config
@@ -54,7 +54,7 @@
   <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="net45" />
+  <package id="SharpZipLib" version="1.3.3" targetFramework="net45" />
   <package id="Superpower" version="2.0.0" targetFramework="net472" />
   <package id="System.Diagnostics.DiagnosticSource" version="4.4.1" targetFramework="net472" />
   <package id="System.Drawing.Common" version="4.5.0" targetFramework="net472" />