diff --git a/CHANGELOG b/CHANGELOG
index 413f9a2..acb3ba1 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,9 @@
+0.9.0
+
+* Display a localized warning on Customers without a Mailbox.
+* Drop the (not working) ability to link a Customer to multiple Mailboxes.
+* Improve routes overrides.
+
 0.8.1
 
   * Fix filtering by Mailbox when getting Customers for a non-admin User.
diff --git a/README.md b/README.md
index 134086d..8e5834f 100644
--- a/README.md
+++ b/README.md
@@ -37,11 +37,11 @@ You have been warned.
 
 Download the [release tarball] and extract its content into `Modules/MMFRestrictedCustomers`.
 
-[release tarball]: https://port.numenaute.org/MMF/freescout-restricted-customers/archive/0.8.1.tar.gz
+[release tarball]: https://port.numenaute.org/MMF/freescout-restricted-customers/archive/0.9.0.tar.gz
 
 ```
-wget https://port.numenaute.org/MMF/freescout-restricted-customers/archive/0.8.1.tar.gz -O freescout-restricted-customers-0.8.1.tar.gz
-tar xf freescout-restricted-customers-0.8.1.tar.gz -C Modules
+wget https://port.numenaute.org/MMF/freescout-restricted-customers/archive/0.9.0.tar.gz -O freescout-restricted-customers-0.9.0.tar.gz
+tar xf freescout-restricted-customers-0.9.0.tar.gz -C Modules
 mv Modules/freescout-restricted-customers Modules/MMFRestrictedCustomers
 ```
 
diff --git a/composer.json b/composer.json
index 02823ab..8aa262c 100644
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
 	"name": "millions-missing-france/freescout-restricted-customers",
 	"description": "Freescout restricted customers - Restrict access to Freescout customers to specific mailboxes",
-	"version": "0.8.1",
+	"version": "0.9.0",
 	"type": "library",
 	"license": ["AGPL-3.0-only"],
 	"authors": [
diff --git a/module.json b/module.json
index d17f7bf..f03eed0 100644
--- a/module.json
+++ b/module.json
@@ -2,7 +2,7 @@
 	"name": "MMFRestrictedCustomers",
 	"alias": "mmfrestrictedcustomers",
 	"description": "Freescout restricted customers - Restrict access to Freescout customers to specific mailboxes",
-	"version": "0.8.1",
+	"version": "0.9.0",
 	"detailsUrl": "",
 	"author": "Millions Missing FRANCE",
 	"authorUrl": "info@millionsmissing.fr",