diff --git a/MrCMS.EcommerceApp.Tests/packages.config b/MrCMS.EcommerceApp.Tests/packages.config
index 07e93918d..a00edec80 100644
--- a/MrCMS.EcommerceApp.Tests/packages.config
+++ b/MrCMS.EcommerceApp.Tests/packages.config
@@ -19,7 +19,7 @@
   <package id="Ninject.MockingKernel" version="3.2.2.0" targetFramework="net47" />
   <package id="PayPalCoreSDK" version="1.4.2" targetFramework="net47" />
   <package id="PayPalMerchantSDK" version="2.11.117" targetFramework="net47" />
-  <package id="SharpZipLib" version="0.86.0" targetFramework="net47" />
+  <package id="SharpZipLib" version="1.3.3" targetFramework="net47" />
   <package id="System.Data.SQLite.Core" version="1.0.105.2" targetFramework="net47" />
   <package id="xunit" version="1.9.2" targetFramework="net47" />
   <package id="xunit.extensions" version="1.9.2" targetFramework="net47" />