diff --git a/Umbraco2FA/Umbraco/Fortress/packages.config b/Umbraco2FA/Umbraco/Fortress/packages.config
index f8b2bcc..8c47a6b 100644
--- a/Umbraco2FA/Umbraco/Fortress/packages.config
+++ b/Umbraco2FA/Umbraco/Fortress/packages.config
@@ -34,7 +34,7 @@
   <package id="Newtonsoft.Json" version="10.0.2" targetFramework="net452" />
   <package id="Owin" version="1.0" targetFramework="net452" />
   <package id="semver" version="1.1.2" targetFramework="net452" />
-  <package id="SharpZipLib" version="0.86.0" targetFramework="net452" />
+  <package id="SharpZipLib" version="1.3.3" targetFramework="net452" />
   <package id="System.Threading.Tasks.Dataflow" version="4.7.0" targetFramework="net452" />
   <package id="UmbracoCms.Core" version="7.7.4" targetFramework="net452" />
   <package id="UrlRewritingNet" version="2.0.7" targetFramework="net452" />