diff --git a/.github/workflows/static-analyze.yml b/.github/workflows/static-analyze.yml
new file mode 100644
index 0000000..e3479cc
--- /dev/null
+++ b/.github/workflows/static-analyze.yml
@@ -0,0 +1,64 @@
+name: "Static Analyze"
+
+on:
+  pull_request:
+  push:
+    branches:
+      - "1.x"
+  schedule:
+    - cron:  '* 8 * * *'
+
+jobs:
+  static-analyze:
+    name: "Static Analyze"
+
+    runs-on: ${{ matrix.operating-system }}
+
+    strategy:
+      matrix:
+        dependencies:
+          - "locked"
+        php-version:
+          - "7.4"
+        operating-system:
+          - "ubuntu-latest"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v2"
+
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          coverage: pcov
+          tools: phive, composer:v2
+          php-version: "${{ matrix.php-version }}"
+          ini-values: memory_limit=-1
+
+      - name: "Cache dependencies"
+        uses: "actions/cache@v2"
+        with:
+          path: |
+            ~/.composer/cache
+            tools
+            vendor
+          key: "php-${{ matrix.php-version }}-${{ matrix.dependencies }}"
+          restore-keys: "php-${{ matrix.php-version }}-${{ matrix.dependencies }}"
+
+      - name: "Install lowest dependencies"
+        if: ${{ matrix.dependencies == 'lowest' }}
+        run: "composer update --prefer-lowest --no-interaction --no-progress --no-suggest"
+
+      - name: "Install highest dependencies"
+        if: ${{ matrix.dependencies == 'highest' }}
+        run: "composer update --no-interaction --no-progress --no-suggest"
+
+      - name: "Install locked dependencies"
+        if: ${{ matrix.dependencies == 'locked' }}
+        run: "composer install --no-interaction --no-progress --no-suggest"
+
+      - name: "Install tools"
+        run: "phive install --trust-gpg-keys E82B2FB314E9906E,C5095986493B4AA0,CF1A108D0E7AE720,8A03EA3B385DBAA1,D0254321FB74703A,4AA394086372C20A --force-accept-unsigned"
+
+      - name: "Static Analyze"
+        run: "composer static:analyze"
\ No newline at end of file
diff --git a/.phive/phars.xml b/.phive/phars.xml
index c5170d6..a8837a6 100644
--- a/.phive/phars.xml
+++ b/.phive/phars.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phive xmlns="https://phar.io/phive">
-  <phar name="php-cs-fixer" version="^2.17.1" installed="2.17.1" location="./tools/php-cs-fixer" copy="true"/>
+  <phar name="php-cs-fixer" version="^2.17.3" installed="2.17.3" location="./tools/php-cs-fixer" copy="true"/>
   <phar name="phpunit" version="^9.5.0" installed="9.5.0" location="./tools/phpunit.phar" copy="true"/>
   <phar name="humbug/box" version="^3.8.4" installed="3.8.4" location="./tools/box" copy="true"/>
 </phive>
diff --git a/composer.json b/composer.json
index ee0a2d7..6903b0d 100644
--- a/composer.json
+++ b/composer.json
@@ -38,14 +38,13 @@
         "symfony/cache": "^5.2"
     },
     "require-dev": {
-        "coduo/php-matcher": "^5.0"
+        "coduo/php-matcher": "6.x@dev"
     },
     "scripts": {
         "build": [
             "@test"
         ],
         "test": [
-            "@static:analyze",
             "tools\/phpunit.phar"
         ],
         "static:analyze": [
diff --git a/composer.lock b/composer.lock
index 75d00b4..96bc1e4 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "0294c2875570a7540ef35e9066e66c10",
+    "content-hash": "ff2dc56ffd0130e516629433942a3452",
     "packages": [
         {
             "name": "aeon-php/calendar",
@@ -3520,16 +3520,16 @@
     "packages-dev": [
         {
             "name": "coduo/php-matcher",
-            "version": "5.0.1",
+            "version": "6.x-dev",
             "source": {
                 "type": "git",
                 "url": "https://github.com/coduo/php-matcher.git",
-                "reference": "2e8ed688f70140dfcaa4ffc7c6ded8c2d6df0ae7"
+                "reference": "fd49031e7cc8f0e350884c3466a034b4d8eaa2ef"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/coduo/php-matcher/zipball/2e8ed688f70140dfcaa4ffc7c6ded8c2d6df0ae7",
-                "reference": "2e8ed688f70140dfcaa4ffc7c6ded8c2d6df0ae7",
+                "url": "https://api.github.com/repos/coduo/php-matcher/zipball/fd49031e7cc8f0e350884c3466a034b4d8eaa2ef",
+                "reference": "fd49031e7cc8f0e350884c3466a034b4d8eaa2ef",
                 "shasum": ""
             },
             "require": {
@@ -3538,17 +3538,18 @@
                 "ext-filter": "*",
                 "ext-json": "*",
                 "ext-simplexml": "*",
-                "php": ">=7.2"
+                "php": ">=7.4"
             },
             "require-dev": {
                 "openlss/lib-array2xml": "^1.0",
-                "phpunit/phpunit": "^8.5",
+                "phpunit/phpunit": "^9.4",
                 "symfony/expression-language": "^2.3|^3.0|^4.0|^5.0"
             },
             "suggest": {
                 "openlss/lib-array2xml": "In order ot use Coduo\\PHPMatcher\\Matcher\\XmlMatcher",
                 "symfony/expression-language": "In order to use Coduo\\PHPMatcher\\Matcher\\ExpressionMatcher"
             },
+            "default-branch": true,
             "type": "library",
             "autoload": {
                 "psr-4": {
@@ -3578,9 +3579,9 @@
             ],
             "support": {
                 "issues": "https://github.com/coduo/php-matcher/issues",
-                "source": "https://github.com/coduo/php-matcher/tree/5.0.1"
+                "source": "https://github.com/coduo/php-matcher/tree/6.x"
             },
-            "time": "2020-10-09T13:30:26+00:00"
+            "time": "2020-12-26T14:31:37+00:00"
         },
         {
             "name": "coduo/php-to-string",
@@ -3891,7 +3892,9 @@
     ],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": [],
+    "stability-flags": {
+        "coduo/php-matcher": 20
+    },
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {