diff --git a/CHANGELOG.md b/CHANGELOG.md
index d7663653..dfa1baba 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ Adminer 4.12.1 (2024-11-21)
 
 - Remove donation link from logout message
 - Update German translation (by @wintstar, @odysseuscm)
+- Declare compatibility with PHP 8.4
 
 Adminer 4.12 (2024-11-21)
 -------------------------
diff --git a/composer.json b/composer.json
index 8b288def..a5266df8 100644
--- a/composer.json
+++ b/composer.json
@@ -29,7 +29,7 @@
         "GPL-2.0-only"
     ],
     "require": {
-        "php": "5.6 - 8.3",
+        "php": "5.6 - 8.4",
         "ext-pdo": "*",
         "ext-json": "*",
         "vrana/jush": "2.0.*",