diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 19752da..44a8263 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
   PHPUnit:
     strategy:
       matrix:
-        php: [ 8.3, 8.4]
+        php: [ 8.5, 8.4]
         prefer-lowest: [0, 1]
     runs-on: ubuntu-latest
     name: PHP ${{ matrix.php }} - ${{ matrix.prefer-lowest == 1 && 'Lowest' || 'Latest' }} Dependencies
@@ -47,4 +47,4 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Success
-        run: echo "Ready to merge!"
\ No newline at end of file
+        run: echo "Ready to merge!"
diff --git a/composer.json b/composer.json
index 6fde792..93a987c 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
     }
   ],
   "require": {
-    "php": "^8.3",
+    "php": "^8.4",
     "ext-bcmath": "*"
   },
   "scripts": {