diff --git a/Other/Encryption/TestEncAndDecProvider/packages.config b/Other/Encryption/TestEncAndDecProvider/packages.config
index c0921807..04cb6ba5 100644
--- a/Other/Encryption/TestEncAndDecProvider/packages.config
+++ b/Other/Encryption/TestEncAndDecProvider/packages.config
@@ -2,6 +2,6 @@
 <packages>
   <package id="DotNetZip" version="1.10.1" targetFramework="net46" />
   <package id="log4net" version="2.0.8" targetFramework="net46" />
-  <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net46" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net46" />
   <package id="Touryo.Infrastructure.Public" version="2.3.2" targetFramework="net46" />
 </packages>
\ No newline at end of file