diff --git a/composer.json b/composer.json
index 3174c67..094dc8e 100644
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
     "name": "macocci7/php-scatterplot",
     "description": "it's easy to use for creating scatter plots.",
-    "version": "1.2.1",
+    "version": "1.2.2",
     "type": "library",
     "license": "MIT",
     "autoload": {
@@ -18,7 +18,7 @@
     "minimum-stability": "stable",
     "require": {
         "php": ">=8.1",
-        "intervention/image": "^3.6",
+        "intervention/image": "^3.7",
         "macocci7/php-frequency-table": "^1.3",
         "macocci7/php-csv": "^1.0",
         "macocci7/php-combination": "^1.0",
@@ -28,7 +28,7 @@
         "squizlabs/php_codesniffer": "^3.7",
         "phpmd/phpmd": "^2.15",
         "phpunit/phpunit": "^10.5",
-        "phpstan/phpstan": "^1.10",
+        "phpstan/phpstan": "^1.11",
         "php-parallel-lint/php-parallel-lint": "^1.4"
     }
 }
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