diff --git a/clova-extensions-kit-csharp-azure-functions/clova-extensions-kit-csharp-azure-functions.csproj b/clova-extensions-kit-csharp-azure-functions/clova-extensions-kit-csharp-azure-functions.csproj
index b12ea3e..bdf291c 100644
--- a/clova-extensions-kit-csharp-azure-functions/clova-extensions-kit-csharp-azure-functions.csproj
+++ b/clova-extensions-kit-csharp-azure-functions/clova-extensions-kit-csharp-azure-functions.csproj
@@ -8,7 +8,7 @@
     <PackageReference Include="Microsoft.Azure.Functions.Extensions" Version="1.0.0" />
     <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.DurableTask" Version="2.0.0-beta2" />
     <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="1.0.29" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\clova-extensions-kit-csharp\clova-extensions-kit-csharp.csproj" />
diff --git a/clova-extensions-kit-csharp/clova-extensions-kit-csharp.csproj b/clova-extensions-kit-csharp/clova-extensions-kit-csharp.csproj
index 6d310a1..e5c53b9 100644
--- a/clova-extensions-kit-csharp/clova-extensions-kit-csharp.csproj
+++ b/clova-extensions-kit-csharp/clova-extensions-kit-csharp.csproj
@@ -26,7 +26,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore" Version="2.2.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="System.Security.Cryptography.Csp" Version="4.3.0" />
   </ItemGroup>