diff --git a/README.md b/README.md
index bfa41d9..7366e8a 100644
--- a/README.md
+++ b/README.md
@@ -215,6 +215,7 @@ _Note to readers: This list refers to some of the articles, posts, videos, tools
 
 ### Blog Posts
 
+* [Atlas: Our journey from a Python monolith to a managed platform](https://dropbox.tech/infrastructure/atlas--our-journey-from-a-python-monolith-to-a-managed-platform)
 * [Monitoring server applications with Vortex](https://dropbox.tech/infrastructure/monitoring-server-applications-with-vortex)
 * [Athena: Our automated build health management system](https://dropbox.tech/infrastructure/athena-our-automated-build-health-management-system)
 
@@ -298,6 +299,7 @@ _Note to readers: This list refers to some of the articles, posts, videos, tools
 
 ### Blog Posts
 
+* [Improving large monorepo performance on GitHub](https://github.blog/2021-03-16-improving-large-monorepo-performance-on-github/)
 * [Deployment reliability at GitHub](https://github.blog/2021-02-03-deployment-reliability-at-github/)
 * [Improving how we deploy GitHub](https://github.blog/2021-01-25-improving-how-we-deploy-github/)
 * [Building On-Call Culture at GitHub](https://github.blog/2021-01-06-building-on-call-culture-at-github/)
@@ -758,6 +760,7 @@ _Note to readers: This list refers to some of the articles, posts, videos, tools
 
 ### Blog Posts
 
+* [Building a Healthy On-Call Culture](https://developers.soundcloud.com/blog/building-a-healthy-on-call-culture)
 * [Alerting on SLOs like Pros](https://developers.soundcloud.com/blog/alerting-on-slos)
 * [Hands-Off Deployment with Canary](https://developers.soundcloud.com/blog/hands-off-deployment-with-canary)
 * [Prometheus has come of age – a reflection on the development of an open-source project](https://developers.soundcloud.com/blog/prometheus-has-come-of-age-a-reflection-on-the-development-of-an-open-source-project)