diff --git a/FavroPlasticExtensionTests/packages.config b/FavroPlasticExtensionTests/packages.config
index cca620f..8bd255f 100644
--- a/FavroPlasticExtensionTests/packages.config
+++ b/FavroPlasticExtensionTests/packages.config
@@ -3,7 +3,7 @@
   <package id="Castle.Core" version="4.4.1" targetFramework="net47" />
   <package id="Moq" version="4.16.1" targetFramework="net47" />
   <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net47" />
-  <package id="NUnit" version="3.13.2" targetFramework="net47" />
+  <package id="NUnit" version="3.13.3" targetFramework="net47" />
   <package id="System.Runtime.CompilerServices.Unsafe" version="5.0.0" targetFramework="net47" />
   <package id="System.Threading.Tasks.Extensions" version="4.5.4" targetFramework="net47" />
 </packages>
\ No newline at end of file