diff --git a/Chapter-19/ArchiBot/ArchiGraph/packages.config b/Chapter-19/ArchiBot/ArchiGraph/packages.config
index e4ac9c6..ce3dc38 100644
--- a/Chapter-19/ArchiBot/ArchiGraph/packages.config
+++ b/Chapter-19/ArchiBot/ArchiGraph/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net461" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net461" />
 </packages>
\ No newline at end of file