diff --git a/HangulClock/packages.config b/HangulClock/packages.config
index 54c8aa6..febe121 100644
--- a/HangulClock/packages.config
+++ b/HangulClock/packages.config
@@ -3,7 +3,7 @@
   <package id="Fody" version="3.0.3" targetFramework="net461" developmentDependency="true" />
   <package id="Microsoft.NETCore.Platforms" version="1.1.0" targetFramework="net461" />
   <package id="NETStandard.Library" version="2.0.0" targetFramework="net461" />
-  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net461" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net461" />
   <package id="Realm" version="3.2.0" targetFramework="net461" />
   <package id="Realm.Database" version="3.2.0" targetFramework="net461" />
   <package id="Realm.DataBinding" version="1.2.0" targetFramework="net461" />