diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dd10bd1..feadb7a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,9 +31,6 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "7.1"
-          - "7.2"
-          - "7.3"
           - "7.4"
           - "8.0"
           - "8.1"
diff --git a/README.md b/README.md
index 79124f7..383e4bc 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,9 @@ composer require brick/db
 Requirements
 ------------
 
-This library requires PHP 7.1 or later.
+This library requires PHP 7.4 or later. 
+
+For PHP 7.1, 7.2 & 7.3 compatibility, you can use version `0.1`. Note that [these PHP versions are EOL](http://php.net/supported-versions.php) and not supported anymore. If you're still using one of these PHP versions, you should consider upgrading as soon as possible.
 
 Package overview
 ----------------
diff --git a/composer.json b/composer.json
index ad0129a..07872c0 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
     ],
     "license": "MIT",
     "require": {
-        "php": "^7.1 || ^8.0",
+        "php": "^7.4 || ^8.0",
         "ext-pdo": "*"
     },
     "require-dev": {