diff --git a/Dwg2Json/Dwg2Json/packages.config b/Dwg2Json/Dwg2Json/packages.config
index 9beef2f..2d9fe72 100644
--- a/Dwg2Json/Dwg2Json/packages.config
+++ b/Dwg2Json/Dwg2Json/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="SharpZipLib" version="1.0.0" targetFramework="net46" />
+  <package id="SharpZipLib" version="1.3.3" targetFramework="net46" />
 </packages>
\ No newline at end of file