diff --git a/.github/workflows/analyzers.yaml b/.github/workflows/analyzers.yaml
index 85890d14..7ade8b20 100644
--- a/.github/workflows/analyzers.yaml
+++ b/.github/workflows/analyzers.yaml
@@ -12,7 +12,7 @@ jobs:
         strategy:
             matrix:
                 operating-system: [ubuntu-latest]
-                php-versions: ['8.1', '8.2', '8.3']
+                php-versions: ['8.4']
             fail-fast: false
         name: PHP ${{ matrix.php-versions }} @ ${{ matrix.operating-system }}
         steps:
diff --git a/.github/workflows/autoloader.yaml b/.github/workflows/autoloader.yaml
index d24c9efd..39e7ec94 100644
--- a/.github/workflows/autoloader.yaml
+++ b/.github/workflows/autoloader.yaml
@@ -7,7 +7,7 @@ jobs:
         strategy:
             matrix:
                 operating-system: [ubuntu-latest]
-                php-versions: ['8.1', '8.2', '8.3']
+                php-versions: ['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 619334f1..dadf1e6c 100644
--- a/.github/workflows/code-style.yaml
+++ b/.github/workflows/code-style.yaml
@@ -11,7 +11,7 @@ jobs:
         strategy:
             matrix:
                 operating-system: [ubuntu-latest]
-                php-versions: ['8.1', '8.2', '8.3']
+                php-versions: ['8.4']
             fail-fast: false
         name: PHP ${{ matrix.php-versions }} @ ${{ matrix.operating-system }}
         steps:
diff --git a/.github/workflows/stress.yaml b/.github/workflows/stress.yaml
index 225e9210..4141f4f2 100644
--- a/.github/workflows/stress.yaml
+++ b/.github/workflows/stress.yaml
@@ -7,7 +7,7 @@ jobs:
         strategy:
             matrix:
                 operating-system: [ubuntu-latest]
-                php-versions: ['8.1', '8.2', '8.3']
+                php-versions: ['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 c0502fb1..013c038a 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -12,7 +12,7 @@ jobs:
         strategy:
             matrix:
                 operating-system: [ubuntu-latest]
-                php-versions: ['8.1', '8.2', '8.3']
+                php-versions: ['8.4']
                 experimental: [false]
             fail-fast: false
         name: PHP ${{ matrix.php-versions }} @ ${{ matrix.operating-system }}
diff --git a/composer.json b/composer.json
index 855257fd..2b0d207c 100644
--- a/composer.json
+++ b/composer.json
@@ -7,7 +7,7 @@
     ],
     "type": "library",
     "require": {
-        "php": "~8.1.0 || ~8.2.0 || ~8.3.0",
+        "php": "~8.4.0",
         "ext-dom": "*",
         "ext-libxml": "*",
         "ext-xml": "*",