diff --git a/src/KeepKey.Net.UnitTest/packages.config b/src/KeepKey.Net.UnitTest/packages.config
index bcd5006..84dd954 100644
--- a/src/KeepKey.Net.UnitTest/packages.config
+++ b/src/KeepKey.Net.UnitTest/packages.config
@@ -18,7 +18,7 @@
   <package id="Nethereum.RLP" version="3.2.0" targetFramework="net47" />
   <package id="Nethereum.Signer" version="3.2.0" targetFramework="net47" />
   <package id="Nethereum.Util" version="3.2.0" targetFramework="net47" />
-  <package id="Newtonsoft.Json" version="12.0.1" targetFramework="net47" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net47" />
   <package id="protobuf-net" version="2.4.0" targetFramework="net47" />
   <package id="System.Buffers" version="4.5.0" targetFramework="net47" />
   <package id="System.Collections" version="4.0.11" targetFramework="net47" />