diff --git a/composer.json b/composer.json
index 502dfea..eb3f7d1 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^5.7",
-        "squizlabs/php_codesniffer": "~2.3"
+        "squizlabs/php_codesniffer": "^3.7"
     },
     "autoload": {
         "psr-4": {