diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3584e6c..1b1e2d8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -31,4 +31,4 @@ jobs:
       os: >-
         ['ubuntu-latest', 'windows-latest']
       php: >-
-        ['8.1', '8.2', '8.3', '8.4']
+        ['8.1', '8.2', '8.3', '8.4', '8.5']
diff --git a/.github/workflows/composer-require-checker.yml b/.github/workflows/composer-require-checker.yml
index a93390b..d2ef508 100644
--- a/.github/workflows/composer-require-checker.yml
+++ b/.github/workflows/composer-require-checker.yml
@@ -31,4 +31,4 @@ jobs:
       os: >-
         ['ubuntu-latest']
       php: >-
-        ['8.1', '8.2', '8.3', '8.4']
+        ['8.1', '8.2', '8.3', '8.4', '8.5']
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f55575d..fdaf44f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 ## 4.3.1 under development
 
-- no changes in this release.
+- Enh #159: Add PHP 8.5 support (@vjik)
 
 ## 4.3.0 September 06, 2025
 
diff --git a/README.md b/README.md
index 3e45adc..28c7a1d 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ The package provides advanced error handling. The features are:
 
 ## Requirements
 
-- PHP 8.1 or higher.
+- PHP 8.1 - 8.5.
 - `DOM` PHP extension.
 - `mbstring` PHP extension.
 
diff --git a/composer.json b/composer.json
index 3c14886..8ddd554 100644
--- a/composer.json
+++ b/composer.json
@@ -31,7 +31,7 @@
         }
     ],
     "require": {
-        "php": "~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0",
+        "php": "8.1 - 8.5",
         "ext-dom": "*",
         "ext-mbstring": "*",
         "alexkart/curl-builder": "^1.0",