diff --git a/Authentication-Client/Authentication-Client.csproj b/Authentication-Client/Authentication-Client.csproj
index 7c372aa..2271aae 100644
--- a/Authentication-Client/Authentication-Client.csproj
+++ b/Authentication-Client/Authentication-Client.csproj
@@ -10,7 +10,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="2.1.1" />
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/TipsTrade-HMRC/TipsTrade-HMRC.csproj b/TipsTrade-HMRC/TipsTrade-HMRC.csproj
index 2483bb0..8086ff4 100644
--- a/TipsTrade-HMRC/TipsTrade-HMRC.csproj
+++ b/TipsTrade-HMRC/TipsTrade-HMRC.csproj
@@ -82,7 +82,7 @@
 
   <ItemGroup>
     <PackageReference Include="HtmlAgilityPack" Version="1.8.10" />
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="RestSharp" Version="106.6.4" />
   </ItemGroup>