diff --git a/CHANGELOG.md b/CHANGELOG.md
index 34532d5..266c9ab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## 2.29.0
+
+-  Add Symfony 8 support
+
 ## 2.22.0
 
 -   Support both the Symfony format (`fr_FR`) and W3C specification (`fr-FR`) for locale subcodes.
diff --git a/composer.json b/composer.json
index 0ac6e58..435d1ad 100644
--- a/composer.json
+++ b/composer.json
@@ -29,16 +29,16 @@
     },
     "require": {
         "php": ">=8.1",
-        "symfony/console": "^5.4|^6.0|^7.0",
-        "symfony/filesystem": "^5.4|^6.0|^7.0",
-        "symfony/string": "^5.4|^6.0|^7.0",
-        "symfony/translation": "^5.4|^6.0|^7.0"
+        "symfony/console": "^5.4|^6.0|^7.0|^8.0",
+        "symfony/filesystem": "^5.4|^6.0|^7.0|^8.0",
+        "symfony/string": "^5.4|^6.0|^7.0|^8.0",
+        "symfony/translation": "^5.4|^6.0|^7.0|^8.0"
     },
     "require-dev": {
-        "symfony/framework-bundle": "^5.4|^6.0|^7.0",
-        "symfony/phpunit-bridge": "^5.2|^6.0|^7.0",
-        "symfony/var-dumper": "^5.4|^6.0|^7.0",
-        "symfony/yaml": "^5.4|^6.0|^7.0"
+        "symfony/framework-bundle": "^5.4|^6.0|^7.0|^8.0",
+        "symfony/phpunit-bridge": "^5.2|^6.0|^7.0|^8.0",
+        "symfony/var-dumper": "^5.4|^6.0|^7.0|^8.0",
+        "symfony/yaml": "^5.4|^6.0|^7.0|^8.0"
     },
     "extra": {
         "thanks": {