diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index b9d614d..2a47e16 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -66,12 +66,12 @@ jobs:
       ## run unit tests
       - name: PHP Unit tests for PHP 
         run: vendor/bin/phpunit --verbose --configuration actions.phpunit.xml
-        if: matrix.php == '8.3' || matrix.php == '8.2' || matrix.php == '8.1' || matrix.php == '8.0' || matrix.php == '7.4' || matrix.php == '7.3' || matrix.php == '7.2' || matrix.php == '7.0' || matrix.php == '5.6'
+        if: matrix.php == '8.3' || matrix.php == '8.2' || matrix.php == '8.1'
 
       ## unit test with coverage
-      - name: PHP Unit tests for PHP 7.1
+      - name: PHP Unit tests for PHP 8.0
         run: vendor/bin/phpunit --verbose --coverage-clover=clover.xml --configuration actions.phpunit.xml
-        if: matrix.php == '7.1'
+        if: matrix.php == '8.0'
 
       ## coverage
       - name: Code coverage
@@ -79,5 +79,5 @@ jobs:
           curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
           chmod +x ./cc-test-reporter
           ./cc-test-reporter after-build -t clover
-        if: matrix.php == '7.1'
+        if: matrix.php == '8.0'
         continue-on-error: true # if is fork
diff --git a/README.md b/README.md
index 58e4236..85cfcd1 100644
--- a/README.md
+++ b/README.md
@@ -17,12 +17,6 @@ In order to install this library via composer run the following command in the c
 composer require curl/curl
 ```
 
-or add the package manually to your composer.json file in the require section:
-
-```json
-"curl/curl": "^2.0"
-```
-
 ## Usage examples
 
 A few example for using CURL with get:
diff --git a/composer.json b/composer.json
index 6608e2e..dc4bde8 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
     }
   ],
   "require": {
-    "php": "^5.6 | ^7.0 | ^8.0",
+    "php": "^8.0",
     "ext-curl": "*",
     "ext-json": "*"
   },