diff --git a/.travis.yml b/.travis.yml
index c5332dc..8c0da53 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,4 @@
-dist: bionic
+dist: focal
 
 language: php
 
@@ -11,19 +11,13 @@ git:
 
 matrix:
   include:
-    - php: 7.2
-      env: composerargs="--prefer-lowest"
-    - php: 7.2
-    - php: 7.3
-      env: composerargs="--prefer-lowest"
-    - php: 7.3
     - php: 7.4
       env: composerargs="--prefer-lowest"
     - php: 7.4
-    - php: nightly
+    - php: 8.0
+      env: composerargs="--prefer-lowest --ignore-platform-reqs"
+    - php: 8.0
       env: composerargs="--ignore-platform-reqs"
-  allow_failures:
-    - php: nightly
 
 before_script:
   - (phpenv config-rm xdebug.ini || exit 0)
diff --git a/README.md b/README.md
index 8cd4fe3..513c0cf 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ A simple http handler implementation for API.
 
 ## Requirements
 
- * php: ^7.2|^8.0
+ * php: ^7.4|^8.0
  * chubbyphp/chubbyphp-deserialization: ^3.0
  * chubbyphp/chubbyphp-negotiation: ^1.7
  * chubbyphp/chubbyphp-serialization: ^3.0
@@ -39,7 +39,7 @@ A simple http handler implementation for API.
 Through [Composer](http://getcomposer.org) as [chubbyphp/chubbyphp-api-http][1].
 
 ```sh
-composer require chubbyphp/chubbyphp-api-http "^4.0"
+composer require chubbyphp/chubbyphp-api-http "^4.1"
 ```
 
 ## Usage
diff --git a/composer.json b/composer.json
index 0c0206c..32381dd 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
         }
     ],
     "require": {
-        "php": "^7.2|^8.0",
+        "php": "^7.4|^8.0",
         "chubbyphp/chubbyphp-deserialization": "^3.0",
         "chubbyphp/chubbyphp-negotiation": "^1.7",
         "chubbyphp/chubbyphp-serialization": "^3.0",
@@ -23,19 +23,16 @@
         "chubbyphp/chubbyphp-container": "^1.1",
         "chubbyphp/chubbyphp-dev-helper": "dev-master",
         "chubbyphp/chubbyphp-laminas-config-factory": "^1.0",
-        "chubbyphp/chubbyphp-mock": "^1.5.1",
-        "infection/infection": "^0.15.3|^0.18.2|^0.20.2",
+        "chubbyphp/chubbyphp-mock": "^1.6",
+        "infection/infection": "^0.20.2",
         "php-coveralls/php-coveralls": "^2.4.3",
-        "phploc/phploc": "^5.0|^6.0.2",
+        "phploc/phploc": "^6.0.2",
         "phpstan/extension-installer": "^1.1",
         "phpstan/phpstan": "^0.12.64",
-        "phpunit/phpunit": "^8.5.13|^9.5",
+        "phpunit/phpunit": "^9.5",
         "pimple/pimple": "^3.3",
         "psr/container": "^1.0"
     },
-    "conflict": {
-        "composer/composer": "<1.10.16"
-    },
     "autoload": {
         "psr-4": { "Chubbyphp\\ApiHttp\\": "src/" }
     },
@@ -47,7 +44,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "4.0-dev"
+            "dev-master": "4.1-dev"
         }
     },
     "scripts": {
@@ -59,12 +56,10 @@
             "@test:infection",
             "@test:static-analysis",
             "@test:loc",
-            "@test:cs",
-            "@test:insights"
+            "@test:cs"
         ],
         "test:cs": "mkdir -p build && PHP_CS_FIXER_IGNORE_ENV=1 vendor/bin/php-cs-fixer fix --dry-run --stop-on-violation --cache-file=build/phpcs.cache",
         "test:infection": "vendor/bin/infection --threads=$(nproc) --min-msi=100 --verbose --coverage=build/phpunit",
-        "test:insights": "mkdir -p build && bash -c 'vendor/bin/phpinsights analyse -v --no-interaction --min-quality=95 --disable-security-check | tee build/phpinsights.log; if [ ${PIPESTATUS[0]} -ne \"0\" ]; then exit 1; fi'",
         "test:integration": "vendor/bin/phpunit --testsuite=Integration --cache-result-file=build/phpunit/result.cache",
         "test:lint": "mkdir -p build && find src tests -name '*.php' -print0 | xargs -0 -n1 -P$(nproc) php -l | tee build/phplint.log",
         "test:loc": "mkdir -p build && vendor/bin/phploc src --verbose | tee build/phploc.log",
diff --git a/phpinsights.php b/phpinsights.php
deleted file mode 100644
index d41f513..0000000
--- a/phpinsights.php
+++ /dev/null
@@ -1,8 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-/** @var array $config */
-$config = require __DIR__ . '/vendor/chubbyphp/chubbyphp-dev-helper/phpinsights.php';
-
-return $config;
diff --git a/phpunit.xml b/phpunit.xml
index e13e7e7..4ea36f1 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit backupGlobals="false"
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         backupGlobals="false"
          backupStaticAttributes="false"
          colors="true"
          convertErrorsToExceptions="true"
@@ -8,7 +9,12 @@
          executionOrder="random"
          processIsolation="false"
          stopOnFailure="false"
-        >
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
+    <coverage>
+        <include>
+            <directory>./src</directory>
+        </include>
+    </coverage>
     <testsuites>
         <testsuite name="Integration">
             <directory>./tests/Integration</directory>
@@ -17,9 +23,4 @@
             <directory>./tests/Unit</directory>
         </testsuite>
     </testsuites>
-    <filter>
-        <whitelist>
-            <directory>./src</directory>
-        </whitelist>
-    </filter>
 </phpunit>