diff --git a/rails6/en/api_on_rails.adoc b/rails6/en/api_on_rails.adoc
index b0c4320..5a2b547 100644
--- a/rails6/en/api_on_rails.adoc
+++ b/rails6/en/api_on_rails.adoc
@@ -1,6 +1,6 @@
 = API on Rails 6
 Alexandre Rousseau <contact@rousseau-alexandre.fr>
-v6.0.5, 2020-01-09
+v6.9, 2020-09-01
 :doctype: book
 :toc:
 :imagesdir: img
@@ -12,9 +12,9 @@ v6.0.5, 2020-01-09
 :keywords: Rails, API, Ruby, Software
 :lang: en
 :author: Alexandre Rousseau
-:description: Learn best practice to build an API using Ruby on Rails 5
+:description: Learn best practice to build an API using Ruby on Rails 6
 :front-cover-image: image:cover.svg[]
-:revdate: 2020-01-09
+:revdate: 2020-09-01
 
 include::chapter00-before.adoc[]
 
diff --git a/rails6/es/api_on_rails.adoc b/rails6/es/api_on_rails.adoc
index 0b1f013..25e5f5b 100644
--- a/rails6/es/api_on_rails.adoc
+++ b/rails6/es/api_on_rails.adoc
@@ -1,6 +1,6 @@
 = API on Rails 6
 Alexandre Rousseau <contact@rousseau-alexandre.fr>
-v6.0.5, 2020-01-09
+v6.9, 2020-09-01
 :doctype: book
 :toc:
 :imagesdir: img
@@ -14,7 +14,7 @@ v6.0.5, 2020-01-09
 :author: Alexandre Rousseau, Oscar Téllez
 :description: Aprende las mejores prácticas para construir una API usando Ruby on Rails 6
 :front-cover-image: image:cover.svg[]
-:revdate: 2020-01-09
+:revdate: 2020-09-01
 
 include::chapter00-before.adoc[]
 
diff --git a/rails6/fr/api_on_rails.adoc b/rails6/fr/api_on_rails.adoc
index 3ec00a0..476a22a 100644
--- a/rails6/fr/api_on_rails.adoc
+++ b/rails6/fr/api_on_rails.adoc
@@ -1,6 +1,6 @@
 = API on Rails 6
 Alexandre Rousseau <contact@rousseau-alexandre.fr>
-v6.0.5, 2020-01-09
+v6.9, 2020-09-01
 :doctype: book
 :toc:
 :imagesdir: img
@@ -14,7 +14,7 @@ v6.0.5, 2020-01-09
 :author: Alexandre Rousseau
 :description: Apprenez les meilleurs pratiques pour construire une API avec Ruby on Rails 6
 :front-cover-image: image:cover.svg[]
-:revdate: 2020-01-09
+:revdate: 2020-09-01
 
 include::chapter00-before.adoc[]