diff --git a/Umbraco.RelationEditor.Web/packages.config b/Umbraco.RelationEditor.Web/packages.config
index 765081a..147adb6 100644
--- a/Umbraco.RelationEditor.Web/packages.config
+++ b/Umbraco.RelationEditor.Web/packages.config
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="AutoMapper" version="3.0.0" targetFramework="net45" />
   <package id="ClientDependency" version="1.7.1.2" targetFramework="net45" />
@@ -22,6 +22,6 @@
   <package id="Newtonsoft.Json" version="6.0.2" targetFramework="net45" />
   <package id="SharpZipLib" version="0.86.0" targetFramework="net45" />
   <package id="UmbracoCms" version="7.1.3" targetFramework="net45" />
-  <package id="UmbracoCms.Core" version="7.1.3" targetFramework="net45" />
+  <package id="UmbracoCms.Core" version="8.5.4" targetFramework="net45" />
   <package id="xmlrpcnet" version="2.5.0" targetFramework="net45" />
 </packages>
\ No newline at end of file