diff --git a/module_4/reference/lesson_2b/packages.config b/module_4/reference/lesson_2b/packages.config
index 5da7756..e1836a9 100644
--- a/module_4/reference/lesson_2b/packages.config
+++ b/module_4/reference/lesson_2b/packages.config
@@ -9,7 +9,7 @@
   <package id="Microsoft.Bcl.Build" version="1.0.14" targetFramework="net461" />
   <package id="Microsoft.Net.Http" version="2.2.29" targetFramework="net461" />
   <package id="Microsoft.ProjectOxford.Vision" version="1.0.393" targetFramework="net461" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net461" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net461" />
   <package id="OpenCvSharp3-AnyCPU" version="4.0.0.20181129" targetFramework="net461" />
   <package id="System.ValueTuple" version="4.5.0" targetFramework="net461" />
   <package id="WpfAnimatedGif" version="1.4.16" targetFramework="net461" />