diff --git a/.github/workflows/analyzers.yaml b/.github/workflows/analyzers.yaml
index a2b57c3..da30d9e 100644
--- a/.github/workflows/analyzers.yaml
+++ b/.github/workflows/analyzers.yaml
@@ -7,7 +7,7 @@ jobs:
         strategy:
             matrix:
                 operating-system: [ubuntu-latest]
-                php-versions: ['7.4', '8.0', '8.1', '8.2', '8.3']
+                php-versions: ['7.4', '8.0', '8.1', '8.2', '8.3', '8.4']
             fail-fast: false
         name: PHP ${{ matrix.php-versions }} @ ${{ matrix.operating-system }}
         steps:
diff --git a/.github/workflows/code-style.yaml b/.github/workflows/code-style.yaml
index 012c633..01a6757 100644
--- a/.github/workflows/code-style.yaml
+++ b/.github/workflows/code-style.yaml
@@ -7,7 +7,7 @@ jobs:
         strategy:
             matrix:
                 operating-system: [ubuntu-latest]
-                php-versions: ['7.4', '8.0', '8.1', '8.2', '8.3']
+                php-versions: ['7.4', '8.0', '8.1', '8.2', '8.3', '8.4']
             fail-fast: false
         name: PHP ${{ matrix.php-versions }} @ ${{ matrix.operating-system }}
         steps:
diff --git a/.github/workflows/functional.yaml b/.github/workflows/functional.yaml
index be6deff..62e9a01 100644
--- a/.github/workflows/functional.yaml
+++ b/.github/workflows/functional.yaml
@@ -7,7 +7,7 @@ jobs:
         strategy:
             matrix:
                 operating-system: [ubuntu-latest, windows-latest, macos-latest]
-                php-versions: ['7.4', '8.0', '8.1', '8.2', '8.3']
+                php-versions: ['7.4', '8.0', '8.1', '8.2', '8.3', '8.4']
             fail-fast: false
         name: PHP ${{ matrix.php-versions }} @ ${{ matrix.operating-system }}
         steps:
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 14a1a94..c4670f6 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -7,7 +7,7 @@ jobs:
         strategy:
             matrix:
                 operating-system: [ubuntu-latest]
-                php-versions: ['7.4', '8.0', '8.1', '8.2', '8.3']
+                php-versions: ['7.4', '8.0', '8.1', '8.2', '8.3', '8.4']
             fail-fast: false
         name: PHP ${{ matrix.php-versions }} @ ${{ matrix.operating-system }}
         steps:
diff --git a/composer.json b/composer.json
index 02558d7..3c9bd78 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
         }
     ],
     "require": {
-        "php": "^7.4 || ~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0",
+        "php": "^7.4 || ~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0",
         "composer-plugin-api": "~2.0"
     },
     "require-dev": {