diff --git a/src/Roadkill.Core/packages.config b/src/Roadkill.Core/packages.config
index 80bff3413..c75a11065 100644
--- a/src/Roadkill.Core/packages.config
+++ b/src/Roadkill.Core/packages.config
@@ -37,7 +37,7 @@
   <package id="Npgsql" version="3.1.7" targetFramework="net45" />
   <package id="Owin" version="1.0" targetFramework="net45" />
   <package id="recaptcha" version="1.0.5.0" />
-  <package id="SharpZipLib" version="0.86.0" />
+  <package id="SharpZipLib" version="1.3.3" />
   <package id="structuremap" version="4.0.0.315" targetFramework="net45" />
   <package id="StructureMap.MVC5" version="3.1.1.134" targetFramework="net45" />
   <package id="structuremap.web" version="3.1.0.133" targetFramework="net45" />