diff --git a/WebGrease/WebGrease.Tests/packages.config b/WebGrease/WebGrease.Tests/packages.config
index 9547116..0653f89 100644
--- a/WebGrease/WebGrease.Tests/packages.config
+++ b/WebGrease/WebGrease.Tests/packages.config
@@ -2,5 +2,5 @@
 <packages>
   <package id="Antlr" version="3.4.1.9004" targetFramework="net40" />
   <package id="Moq" version="4.0.10827" targetFramework="net40" />
-  <package id="SharpZipLib" version="0.86.0" targetFramework="net40" />
+  <package id="SharpZipLib" version="1.3.3" targetFramework="net40" />
 </packages>
\ No newline at end of file