diff --git a/Implementation/GeolocationExtension/packages.config b/Implementation/GeolocationExtension/packages.config
index 4e05294..78fe122 100644
--- a/Implementation/GeolocationExtension/packages.config
+++ b/Implementation/GeolocationExtension/packages.config
@@ -157,7 +157,7 @@
   <package id="PrjBE100" version="10.10.0.2504" targetFramework="net471" />
   <package id="RhpBE100" version="10.10.0.2509" targetFramework="net471" />
   <package id="Saxon-HE" version="9.9.1.2" targetFramework="net471" />
-  <package id="SharpZipLib" version="1.1.0" targetFramework="net471" />
+  <package id="SharpZipLib" version="1.3.3" targetFramework="net471" />
   <package id="SimpleInjector" version="10.0010.0000.2500" targetFramework="net471" />
   <package id="StdBackgrWorker" version="10.10.0.2525" targetFramework="net471" />
   <package id="StdBE100" version="10.10.0.2525" targetFramework="net471" />