diff --git a/pnp-tool/packages.config b/pnp-tool/packages.config
index 5424998..9a77ceb 100644
--- a/pnp-tool/packages.config
+++ b/pnp-tool/packages.config
@@ -1,9 +1,9 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="CommonServiceLocator" version="2.0.7" targetFramework="net48" />
   <package id="MaterialDesignColors" version="2.1.4" targetFramework="net48" />
   <package id="MaterialDesignThemes" version="4.9.0" targetFramework="net48" />
-  <package id="Microsoft.Xaml.Behaviors.Wpf" version="1.1.39" targetFramework="net48" />
+  <package id="Microsoft.Xaml.Behaviors.Wpf" version="1.1.77" targetFramework="net48" />
   <package id="MvvmLightLibs" version="5.4.1.1" targetFramework="net48" />
   <package id="Newtonsoft.Json" version="13.0.3" targetFramework="net48" />
 </packages>
\ No newline at end of file