diff --git a/.github/workflows/formats.yml b/.github/workflows/formats.yml
index 9d55b5d..e7e90c2 100644
--- a/.github/workflows/formats.yml
+++ b/.github/workflows/formats.yml
@@ -10,7 +10,7 @@ jobs:
       fail-fast: true
       matrix:
         os: [ubuntu-latest]
-        php: [8.1]
+        php: [8.3]
         dependency-version: [prefer-stable]
 
     name: Formats PHP${{ matrix.php }} - ${{ matrix.os }} - ${{ matrix.dependency-version }}
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index e65e8b9..883e38e 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -9,7 +9,7 @@ jobs:
       fail-fast: true
       matrix:
         os: [ubuntu-latest]
-        php: [8.1,8.2]
+        php: [8.3]
         dependency-version: [prefer-stable]
 
     name: Tests PHP${{ matrix.php }} - ${{ matrix.os }} - ${{ matrix.dependency-version }}
diff --git a/README.md b/README.md
index 179ae33..54ff267 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ tin is a PHP code highlighter for the terminal.
 
 ## Installation
 
-> Requires [PHP 8.1+](https://php.net/releases)
+> Requires [PHP 8.3+](https://php.net/releases)
 
 You can install the package via composer: