diff --git a/README.md b/README.md
index a77f297..991d7b0 100644
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+++ b/README.md
@@ -43,7 +43,7 @@
 
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 |:-:  |:-:  |:-:  |:-:  |:-:  |:-:  |:-:  |:-:  |:-:  |
-| [#](#-ai)  | [A](#a-ai)  | [](#b-ai)  | [C](#c-ai)  | [](#d-ai)  | [](#e-ai)  | [](#f-ai)  | [G](#g-ai)  | [](#h-ai)  |
+| [#](#-ai)  | [A](#a-ai)  | [](#b-ai)  | [C](#c-ai)  | [D](#d-ai)  | [](#e-ai)  | [](#f-ai)  | [G](#g-ai)  | [](#h-ai)  |
 | [](#i-ai)  | [](#j-ai)  | [](#k-ai)  | [L](#l-ai)  | [M](#m-ai)  | [](#n-ai)  | [](#o-ai)  | [](#p-ai)  | [](#q-ai)  |
 | [R](#r-ai)  | [](#s-ai)  | [](#t-ai)  | [](#u-ai)  | [](#v-ai)  | [](#w-ai)  | [](#x-ai)  | [](#y-ai)  | [](#z-ai) |
 
@@ -371,6 +371,8 @@
 - [Context Engineering vs Prompt Engineering](https://newsletter.systemdesign.one/p/context-engineering-vs-prompt-engineering)
 - [How ChatGPT Apps Work](https://newsletter.systemdesign.one/p/apps-in-chatgpt)
 
+#### D ai
+- [Agentic Design Patterns](https://newsletter.systemdesign.one/p/agentic-design-patterns)
 
 #### G ai
 - [Everything You Need to Know to Design GenAI Systems From Scratch](https://newsletter.systemdesign.one/p/generative-ai-system-design)