diff --git a/content/posts/raiz-de-2-e-inrracional.mdx b/content/posts/raiz-de-2-e-inrracional.mdx
index bc41f1eb..a910c614 100644
--- a/content/posts/raiz-de-2-e-inrracional.mdx
+++ b/content/posts/raiz-de-2-e-inrracional.mdx
@@ -1,6 +1,7 @@
 ---
 title: 'Raiz de 2 é inrracional'
 date: '2023-10-15T20:55:36.202Z'
+lastUpdate: '2023-10-26'
 description: 'Prova de que raiz de 2 é inrracional'
 category: 'Article'
 tags: 'math,proof'