diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index a735cf0..d892d97 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -20,17 +20,17 @@ jobs:
   cs:
     uses: bedita/github-workflows/.github/workflows/php-cs.yml@v2
     with:
-      php_versions: '["8.3"]'
+      php_versions: '["8.4"]'
 
   psalm:
     uses: bedita/github-workflows/.github/workflows/php-psalm.yml@v2
     with:
-      php_versions: '["8.3"]'
+      php_versions: '["8.4"]'
 
   stan:
     uses: bedita/github-workflows/.github/workflows/php-stan.yml@v2
     with:
-      php_versions: '["8.3"]'
+      php_versions: '["8.4"]'
 
   unit-5:
     uses: bedita/github-workflows/.github/workflows/php-unit.yml@v2
diff --git a/composer.json b/composer.json
index 4ba3381..2a4f4e4 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
         "phpstan/phpstan": "^1.12",
         "phpunit/phpunit": "^10.5.5 || ^11.1.3",
         "psy/psysh": "@stable",
-        "vimeo/psalm": "^5.18"
+        "vimeo/psalm": "^6.8"
     },
     "autoload": {
         "psr-4": {