diff --git a/Chalmers.ILL/packages.config b/Chalmers.ILL/packages.config
index 1671376..c08bebb 100644
--- a/Chalmers.ILL/packages.config
+++ b/Chalmers.ILL/packages.config
@@ -36,7 +36,7 @@
   <package id="Newtonsoft.Json" version="8.0.1" targetFramework="net45" />
   <package id="Npgsql" version="2.0.14.3" targetFramework="net45" />
   <package id="Owin" version="1.0" targetFramework="net45" />
-  <package id="SharpZipLib" version="0.86.0" targetFramework="net45" />
+  <package id="SharpZipLib" version="1.3.3" targetFramework="net45" />
   <package id="System.Spatial" version="5.8.4" targetFramework="net461" />
   <package id="UmbracoCms" version="6.1.6" targetFramework="net45" requireReinstallation="true" />
   <package id="UmbracoCms.Core" version="6.1.6" targetFramework="net45" />