diff --git a/DNN Platform/Library/packages.config b/DNN Platform/Library/packages.config
index 1895925f07f..aa88d36addb 100644
--- a/DNN Platform/Library/packages.config	
+++ b/DNN Platform/Library/packages.config	
@@ -18,7 +18,7 @@
   <package id="PetaPoco.Compiled" version="6.0.524" targetFramework="net472" />
   <package id="Portable.BouncyCastle" version="1.9.0" targetFramework="net472" />
   <package id="QuickIO.NET" version="2.6.2.0" targetFramework="net45" />
-  <package id="SharpZipLib" version="1.3.3" targetFramework="net472" />
+  <package id="SharpZipLib" version="1.4.2" targetFramework="net472" />
   <package id="StyleCop.Analyzers" version="1.1.118" targetFramework="net472" developmentDependency="true" />
   <package id="System.Buffers" version="4.5.1" targetFramework="net472" />
 </packages>
\ No newline at end of file
diff --git a/DNN Platform/Tests/DotNetNuke.Tests.Core/packages.config b/DNN Platform/Tests/DotNetNuke.Tests.Core/packages.config
index eafc4ede37a..4c2dc51f6ab 100644
--- a/DNN Platform/Tests/DotNetNuke.Tests.Core/packages.config	
+++ b/DNN Platform/Tests/DotNetNuke.Tests.Core/packages.config	
@@ -5,6 +5,6 @@
   <package id="Moq" version="4.2.1502.0911" targetFramework="net45" />
   <package id="NUnit" version="3.13.3" targetFramework="net472" />
   <package id="NUnit3TestAdapter" version="4.2.1" targetFramework="net472" />
-  <package id="SharpZipLib" version="1.3.3" targetFramework="net472" />
+  <package id="SharpZipLib" version="1.4.2" targetFramework="net472" />
   <package id="StyleCop.Analyzers" version="1.1.118" targetFramework="net472" developmentDependency="true" />
 </packages>
\ No newline at end of file