diff --git a/test/Merchello.Tests.Base/packages.config b/test/Merchello.Tests.Base/packages.config
index cd05993078..07fa9f139c 100644
--- a/test/Merchello.Tests.Base/packages.config
+++ b/test/Merchello.Tests.Base/packages.config
@@ -44,7 +44,7 @@
   <package id="SharpZipLib" version="0.86.0" targetFramework="net45" />
   <package id="System.Threading.Tasks.Dataflow" version="4.9.0" targetFramework="net452" />
   <package id="System.ValueTuple" version="4.5.0" targetFramework="net452" />
-  <package id="UmbracoCms.Core" version="7.15.0" targetFramework="net452" />
+  <package id="UmbracoCms.Core" version="8.18.13" targetFramework="net452" />
   <package id="UrlRewritingNet" version="2.0.7" targetFramework="net45" />
   <package id="xmlrpcnet" version="2.5.0" targetFramework="net45" />
 </packages>
\ No newline at end of file