diff --git a/docs/2023-03-08-ekyc.html b/docs/2023-03-08-ekyc.html
index caaa030..a9d0f47 100644
--- a/docs/2023-03-08-ekyc.html
+++ b/docs/2023-03-08-ekyc.html
@@ -55,6 +55,13 @@
       ></a>
     </div>
     <p>TODO</p>
+    <p>
+      <a
+        href="https://www.icao.int/publications/pages/publication.aspx?docnum=9303"
+        rel="nofollow"
+        >ICAO Machine Readable Travel Documents</a
+      >
+    </p>
 
     <div>
       Feel free to ask me via
diff --git a/posts/2023-03-08-ekyc.md b/posts/2023-03-08-ekyc.md
index 36eac14..bbe6b41 100644
--- a/posts/2023-03-08-ekyc.md
+++ b/posts/2023-03-08-ekyc.md
@@ -1,3 +1,5 @@
 # EKYC - The battle never ends
 
 TODO
+
+[ICAO Machine Readable Travel Documents](https://www.icao.int/publications/pages/publication.aspx?docnum=9303)