diff --git a/src/CalendarSyncPlus/CalendarSyncPlus.Authentication.Google/packages.config b/src/CalendarSyncPlus/CalendarSyncPlus.Authentication.Google/packages.config
index 14dbee2..57effda 100644
--- a/src/CalendarSyncPlus/CalendarSyncPlus.Authentication.Google/packages.config
+++ b/src/CalendarSyncPlus/CalendarSyncPlus.Authentication.Google/packages.config
@@ -15,7 +15,7 @@
   <package id="Microsoft.Bcl.Async" version="1.0.168" targetFramework="net45" />
   <package id="Microsoft.Bcl.Build" version="1.0.21" targetFramework="net45" />
   <package id="Microsoft.Net.Http" version="2.2.29" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
   <package id="System.Net.Http" version="4.3.3" targetFramework="net45" requireReinstallation="true" />
   <package id="System.Security.Cryptography.Algorithms" version="4.3.1" targetFramework="net461" />
   <package id="System.Security.Cryptography.Encoding" version="4.3.0" targetFramework="net461" />