diff --git a/.gitignore b/.gitignore
index 70c2328..f49bfd5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
 .idea/
 vendor/
-
 .php_cs.cache
 .phpunit.cache/
+.php-cs-fixer.cache
\ No newline at end of file
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9645199..a7e6fa4 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -15,7 +15,7 @@ before_script:
       apt-get update -yqq && apt-get upgrade -yqq && apt-get install -yqq git libzip-dev unzip zip libpcre3-dev && docker-php-ext-install zip && pecl install xdebug && docker-php-ext-enable xdebug
     fi
   - > 
-    if [ "$CI_JOB_NAME" == "test:7.4" ] || [ "$CI_JOB_NAME" == "test:8.0" ] || [ "$CI_JOB_NAME" == "test:8.1" ]; then
+    if [ "$CI_JOB_NAME" == "test:7.4" ] || [ "$CI_JOB_NAME" == "test:8.0" ]; then
         pecl install ds && docker-php-ext-enable ds
     fi
   - >
@@ -55,22 +55,6 @@ test:8.0-without-ext-ds:
   image: php:8.0
   script:
   - vendor/bin/phpunit --configuration phpunit.xml --coverage-text --colors=never
-test:8.1:
-  only:
-  - branches
-  tags:
-  - default
-  image: php:8.1
-  script:
-  - vendor/bin/phpunit --configuration phpunit.xml --coverage-text --colors=never
-test:8.1-without-ext-ds:
-  only:
-  - branches
-  tags:
-  - default
-  image: php:8.1
-  script:
-  - vendor/bin/phpunit --configuration phpunit.xml --coverage-text --colors=never
 stages:
   - test
   - security
diff --git a/composer.json b/composer.json
index 5d05433..0dd76e7 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
     "description": "Generic map for PHP",
     "type": "library",
     "require": {
-        "php": ">=7.4",
+        "php": "7.4 - 8.0",
         "php-ds/php-ds": "^1.3",
         "symfony/polyfill-php80": "^1.22"
     },
diff --git a/composer.lock b/composer.lock
index c707e1a..d2ecdce 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": "714ccb738ce62bf9d3fb5fef95cea1c1",
+    "content-hash": "3a97b3bda39ca237952799687ed87f15",
     "packages": [
         {
             "name": "php-ds/php-ds",
@@ -4268,7 +4268,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": ">=7.4"
+        "php": ">=7.4 <8.1"
     },
     "platform-dev": [],
     "plugin-api-version": "2.3.0"