diff --git a/Chapter.14/StockTicker.Server/packages.config b/Chapter.14/StockTicker.Server/packages.config
index 19699c11..9d1270b8 100644
--- a/Chapter.14/StockTicker.Server/packages.config
+++ b/Chapter.14/StockTicker.Server/packages.config
@@ -15,7 +15,7 @@
   <package id="Microsoft.Owin.Host.HttpListener" version="3.0.1" targetFramework="net461" />
   <package id="Microsoft.Owin.Hosting" version="3.0.1" targetFramework="net461" />
   <package id="Microsoft.Owin.Security" version="3.0.1" targetFramework="net461" />
-  <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net461" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net461" />
   <package id="Owin" version="1.0" targetFramework="net461" />
   <package id="Swashbuckle.Core" version="5.5.3" targetFramework="net461" />
   <package id="System.Collections" version="4.0.11" targetFramework="net47" />