diff --git a/src/FrequencyListBuilder/packages.config b/src/FrequencyListBuilder/packages.config
index cea4f89..de8d32c 100644
--- a/src/FrequencyListBuilder/packages.config
+++ b/src/FrequencyListBuilder/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="LanguageDetection" version="1.2.0" targetFramework="net452" />
-  <package id="SharpZipLib" version="1.1.0" targetFramework="net452" />
+  <package id="SharpZipLib" version="1.3.3" targetFramework="net452" />
 </packages>
\ No newline at end of file