diff --git a/line-messaging-api-csharp/line-messaging-api-csharp.csproj b/line-messaging-api-csharp/line-messaging-api-csharp.csproj
index 64f0661..250fd31 100644
--- a/line-messaging-api-csharp/line-messaging-api-csharp.csproj
+++ b/line-messaging-api-csharp/line-messaging-api-csharp.csproj
@@ -45,7 +45,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.CSharp" Version="4.5.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="System.Dynamic.Runtime" Version="4.3.0" />
   </ItemGroup>