diff --git a/README.md b/README.md
index 6c283e7..d9c0e82 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ A list of Frequently Asked Questions about this repository can be found [here](h
 
 ## eBook
 
-This reference application is meant to support the free .PDF download ebook: [Architecting Modern Web Applications with ASP.NET Core and Azure](https://aka.ms/webappebook), updated to **ASP.NET Core 3.1**. [Also available in ePub/mobi formats](https://dotnet.microsoft.com/learn/web/aspnet-architecture).
+This reference application is meant to support the free .PDF download ebook: [Architecting Modern Web Applications with ASP.NET Core and Azure](https://aka.ms/webappebook), updated to **ASP.NET Core 5.0**. [Also available in ePub/mobi formats](https://dotnet.microsoft.com/learn/web/aspnet-architecture).
 
 You can also read the book in online pages at the .NET docs here: 
 https://docs.microsoft.com/dotnet/architecture/modern-web-apps-azure/
@@ -24,7 +24,7 @@ The **eShopOnWeb** sample is related to the [eShopOnContainers](https://github.c
 The goal for this sample is to demonstrate some of the principles and patterns described in the [eBook](https://aka.ms/webappebook). It is not meant to be an eCommerce reference application, and as such it does not implement many features that would be obvious and/or essential to a real eCommerce application.
 
 > ### VERSIONS
-> #### The `master` branch is currently running ASP.NET Core 3.1.
+> #### The `master` branch is currently running ASP.NET Core 5.0.
 > #### Older versions are tagged.
 
 ## Topics (eBook TOC)