diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5769d2e..7489882 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: ['7.4', '8.0', '8.1', '8.2']
+        php-version: ['7.4', '8.0', '8.1', '8.2', '8.3']
         prefer-lowest: ['']
         include:
           - php-version: '7.4'
@@ -79,7 +79,7 @@ jobs:
     - name: Setup PHP
       uses: shivammathur/setup-php@v2
       with:
-        php-version: '8.2'
+        php-version: '8.3'
         extensions: mbstring, intl
         coverage: none
 
@@ -96,4 +96,4 @@ jobs:
       run: vendor/bin/psalm.phar --output-format=github
 
     - name: Run phpstan
-      run: vendor/bin/phpstan.phar analyse --error-format=github
+      run: vendor/bin/phpstan.phar analyse --error-format=github
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 982e6f3..9c86ee3 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
     "source": "https://github.com/markstory/mini-asset"
   },
   "require": {
-    "php": ">=7.4,<8.3",
+    "php": ">=7.4,<8.4",
     "league/climate": "~3.0"
   },
   "require-dev": {