diff --git a/Chapter.05/DataParallelism.Part2.fs/packages.config b/Chapter.05/DataParallelism.Part2.fs/packages.config
index 91433d92..9949c47f 100644
--- a/Chapter.05/DataParallelism.Part2.fs/packages.config
+++ b/Chapter.05/DataParallelism.Part2.fs/packages.config
@@ -13,7 +13,7 @@
   <package id="Microsoft.Win32.Primitives" version="4.0.1" targetFramework="net47" />
   <package id="Mono.Cecil" version="0.9.6.4" targetFramework="net461" />
   <package id="NETStandard.Library" version="1.6.0" targetFramework="net47" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net461" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net461" />
   <package id="Paket.Core" version="3.27.0" targetFramework="net47" />
   <package id="System.AppContext" version="4.1.0" targetFramework="net47" />
   <package id="System.Collections" version="4.0.11" targetFramework="net47" />