diff --git a/ExcelMerge.GUI/packages.config b/ExcelMerge.GUI/packages.config
index 48f967a..b232b95 100644
--- a/ExcelMerge.GUI/packages.config
+++ b/ExcelMerge.GUI/packages.config
@@ -13,5 +13,5 @@
   <package id="SKCore.Wpf" version="1.0.2" targetFramework="net452" />
   <package id="System.Management.Automation" version="6.1.7601.17515" targetFramework="net452" />
   <package id="Unity" version="4.0.1" targetFramework="net452" />
-  <package id="YamlDotNet" version="4.2.1" targetFramework="net452" />
+  <package id="YamlDotNet" version="5.0.0" targetFramework="net452" />
 </packages>
\ No newline at end of file