diff --git a/.php_cs b/.php_cs
index 57086e104e997b1bd8986881492a2b6873aaad4c..c656cb8203dca88edaa1234a6c6dca8d6a87481a 100644
--- a/.php_cs
+++ b/.php_cs
@@ -1,4 +1,6 @@
-<?php
+<?php declare(strict_types=1);
+
+require __DIR__ . '/vendor/autoload.php';
 
 $finder = PhpCsFixer\Finder::create()
     ->files()
diff --git a/composer.json b/composer.json
index 5c056aaf14044a52e0b54624f54f15df8a4e6be4..49c24359d0cb5c87164af0205b95eba0bc3a2c52 100644
--- a/composer.json
+++ b/composer.json
@@ -38,16 +38,19 @@
     "require-dev": {
         "doctrine/doctrine-bundle": "^1.11",
         "doctrine/orm": "^2.6",
+        "irstea/composer-require-checker-shim": "^2.0",
         "irstea/php-cs-fixer-config": "^1.0",
+        "irstea/php-cs-fixer-shim": "^2.15",
+        "irstea/phpcpd-shim": "^4.1",
+        "irstea/phploc-shim": "^5.0",
         "irstea/phpmd-config": "^1.0.0",
+        "irstea/phpmd-shim": "^2.7",
         "irstea/phpstan-config": "^1.0",
         "jakub-onderka/php-parallel-lint": "^1.0",
-        "maglnet/composer-require-checker": "^1.0",
-        "phploc/phploc": "^4.0",
+        "phpstan/phpstan-shim": "^0.11.15",
         "phpunit/phpunit": "^7.3",
         "ramsey/uuid": "^3.8",
         "ramsey/uuid-doctrine": "^1.5",
-        "sebastian/phpcpd": "^4.0",
         "symfony/framework-bundle": "^4.3",
         "symfony/yaml": "^4.3"
     },
diff --git a/phpmd-ruleset.xml b/phpmd-ruleset.xml
index 64d0686a2f73501f5d2141e3d8f6a9ed7685ca80..ef57fba4fbad6ebb4f1f2bababa136caf83281da 100644
--- a/phpmd-ruleset.xml
+++ b/phpmd-ruleset.xml
@@ -6,4 +6,6 @@
 
     <rule ref="vendor/irstea/phpmd-config/loose.xml"/>
 
+    <exclude-pattern>tests/Fixtures/var/**</exclude-pattern>
+
 </ruleset>
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 306b084559dbf57b74ee7c67e529dfc8283dddd1..fc29aecf2e048a8fa11a0eca8cc045e8e7127786 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -9,6 +9,7 @@
     <testsuites>
         <testsuite name="Project Test Suite">
             <directory>tests</directory>
+            <exclude>tests/Fixtures</exclude>
         </testsuite>
     </testsuites>