diff --git a/calibreader/packages.config b/calibreader/packages.config
index 6a52761..a6c5147 100644
--- a/calibreader/packages.config
+++ b/calibreader/packages.config
@@ -6,7 +6,7 @@
   <package id="ExcelNumberFormat" version="1.0.3" targetFramework="net461" />
   <package id="FastMember.Signed" version="1.3.0" targetFramework="net461" />
   <package id="Microsoft.Office.Interop.Excel" version="15.0.4795.1000" targetFramework="net461" />
-  <package id="SharpZipLib" version="1.0.0" targetFramework="net461" />
+  <package id="SharpZipLib" version="1.3.3" targetFramework="net461" />
   <package id="System.IO.FileSystem.Primitives" version="4.0.1" targetFramework="net461" />
   <package id="System.IO.Packaging" version="4.0.0" targetFramework="net461" />
 </packages>
\ No newline at end of file