Merge tag 'v1.1.3' into develop

Version 1.1.3

Author: sunaoka

composer.json

@@ -14,7 +14,7 @@
         "php": "^5.3 || ^7.0 || ^8.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^4.8 || ^5.7 || ^6.5 || ^7.5 || ^8.2 || ^9.3"
+        "phpunit/phpunit": ">=4.8"
     },
     "autoload": {
         "psr-4": {