diff --git a/.github/workflows/bc.yml b/.github/workflows/bc.yml
index 00041a9..0ea4a5c 100644
--- a/.github/workflows/bc.yml
+++ b/.github/workflows/bc.yml
@@ -30,4 +30,4 @@ jobs:
       os: >-
         ['ubuntu-latest']
       php: >-
-        ['8.1']
+        ['8.4']
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9e54c37..ecc05eb 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -25,9 +25,11 @@ name: build
 jobs:
   phpunit:
     uses: yiisoft/actions/.github/workflows/phpunit.yml@master
+    secrets:
+      codecovToken: ${{ secrets.CODECOV_TOKEN }}
     with:
       ini-values: pcov.directory=$GITHUB_WORKSPACE, pcov.exclude=#^(?!($GITHUB_WORKSPACE/config/|$GITHUB_WORKSPACE/src/)).*#
       os: >-
         ['ubuntu-latest', 'windows-latest']
       php: >-
-        ['8.1', '8.2', '8.3']
+        ['8.1', '8.2', '8.3', '8.4']
diff --git a/.github/workflows/composer-require-checker.yml b/.github/workflows/composer-require-checker.yml
index a857bce..a93390b 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']
+        ['8.1', '8.2', '8.3', '8.4']
diff --git a/.github/workflows/rector.yml b/.github/workflows/rector.yml
index 35411d0..5d6931d 100644
--- a/.github/workflows/rector.yml
+++ b/.github/workflows/rector.yml
@@ -1,5 +1,5 @@
 on:
-  pull_request:
+  pull_request_target:
     paths-ignore:
       - 'docs/**'
       - 'README.md'
@@ -17,7 +17,8 @@ jobs:
     secrets:
       token: ${{ secrets.YIISOFT_GITHUB_TOKEN }}
     with:
+      repository: ${{ github.event.pull_request.head.repo.full_name }}
       os: >-
         ['ubuntu-latest']
       php: >-
-        ['8.3']
+        ['8.4']
diff --git a/.github/workflows/static.yml b/.github/workflows/static.yml
index e33eca8..d03874d 100644
--- a/.github/workflows/static.yml
+++ b/.github/workflows/static.yml
@@ -29,4 +29,4 @@ jobs:
       os: >-
         ['ubuntu-latest']
       php: >-
-        ['8.1', '8.2', '8.3']
+        ['8.1', '8.2', '8.3', '8.4']
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9d135be..503753a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 ## 1.0.2 under development
 
-- no changes in this release.
+- Chg #53: Change PHP constraint in `composer.json` to `8.1 - 8.4` (@vjik)
 
 ## 1.0.1 August 06, 2024
 
diff --git a/composer.json b/composer.json
index c853a0d..fb20d16 100644
--- a/composer.json
+++ b/composer.json
@@ -32,27 +32,27 @@
         }
     ],
     "require": {
-        "php": "^8.1",
-        "psr/container": "^1.0|^2.0",
-        "psr/http-message": "^1.0|^2.0",
+        "php": "8.1 - 8.4",
+        "psr/container": "^1.0 || ^2.0",
+        "psr/http-message": "^1.0 || ^2.0",
         "psr/http-server-handler": "^1.0",
         "psr/http-server-middleware": "^1.0",
         "yiisoft/arrays": "^3.0",
         "yiisoft/hydrator": "^1.0",
         "yiisoft/hydrator-validator": "^2.0",
         "yiisoft/middleware-dispatcher": "^5.1",
-        "yiisoft/validator": "^1.1|^2.0",
+        "yiisoft/validator": "^1.1 || ^2.0",
         "yiisoft/request-provider": "^1.0"
     },
     "require-dev": {
-        "maglnet/composer-require-checker": "^4.7",
-        "phpunit/phpunit": "^10.5",
-        "rector/rector": "^2.0.3",
-        "roave/infection-static-analysis-plugin": "^1.34",
-        "spatie/phpunit-watcher": "^1.23",
-        "vimeo/psalm": "^5.22",
-        "yiisoft/di": "^1.2",
-        "yiisoft/test-support": "^3.0"
+        "maglnet/composer-require-checker": "^4.7.1",
+        "phpunit/phpunit": "^10.5.45",
+        "rector/rector": "^2.0.11",
+        "roave/infection-static-analysis-plugin": "^1.35",
+        "spatie/phpunit-watcher": "^1.24",
+        "vimeo/psalm": "^5.26.1 || ^6.10",
+        "yiisoft/di": "^1.3",
+        "yiisoft/test-support": "^3.0.2"
     },
     "autoload": {
         "psr-4": {
diff --git a/psalm.xml b/psalm.xml
index 10d319a..98271f9 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -3,6 +3,7 @@
     errorLevel="1"
     findUnusedBaselineEntry="true"
     findUnusedCode="false"
+    ensureOverrideAttribute="false"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns="https://getpsalm.org/schema/config"
     xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
diff --git a/tests/Support/TestHelper.php b/tests/Support/TestHelper.php
index c8ad084..06ee932 100644
--- a/tests/Support/TestHelper.php
+++ b/tests/Support/TestHelper.php
@@ -50,7 +50,8 @@ public static function createParameterAttributesHandler(array $definitions): Par
         return new ParameterAttributesHandler(
             new ContainerAttributeResolverFactory(
                 new SimpleContainer($definitions)
-            )
+            ),
+            new Hydrator(),
         );
     }