diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 405987f..51b50ba 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         operating-system: [ubuntu-latest]
-        php-versions: ['7.1', '7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4', '8.5']
+        php-versions: ['7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4', '8.5']
 
     runs-on: ${{ matrix.operating-system }}
 
diff --git a/README.md b/README.md
index 43883b9..f1f32ed 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ DotNotationParser is a simple parser that will parse `foo.bar.baz` into `[ 'foo'
 
 ## Requirements
 
-- **php**: >=7.1
+- **php**: >=7.2
 
 ## Installing
 
@@ -53,4 +53,4 @@ quoted keys.
 
 ##### Returns:
 
-- ***string[]***
\ No newline at end of file
+- ***string[]***
diff --git a/composer.json b/composer.json
index 3b5abe4..11ed291 100644
--- a/composer.json
+++ b/composer.json
@@ -3,10 +3,10 @@
 	"description": "Simple PHP Dot Notation Parser",
 	"type": "library",
 	"require": {
-		"php": ">=7.1"
+		"php": ">=7.2"
 	},
 	"require-dev": {
-		"phpunit/phpunit": "~7.5 | ~9.5",
+		"phpunit/phpunit": "~8.5 | ~9.5",
 		"squizlabs/php_codesniffer": "^3.5",
 		"corpus/coding-standard": "~0.6.0",
 		"friendsofphp/php-cs-fixer": "^2.17"