diff --git a/HangulClockUpdateManager/packages.config b/HangulClockUpdateManager/packages.config
index 18d9f86..fb6374a 100644
--- a/HangulClockUpdateManager/packages.config
+++ b/HangulClockUpdateManager/packages.config
@@ -4,5 +4,5 @@
   <package id="Expression.Blend.Sdk.WPF" version="1.0.1" targetFramework="net461" />
   <package id="MahApps.Metro" version="1.6.5" targetFramework="net461" />
   <package id="MrMitch.Loaders" version="1.2.0.0" targetFramework="net461" />
-  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net461" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net461" />
 </packages>
\ No newline at end of file