diff --git a/composer.json b/composer.json
index 7f9a72b..e786e43 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
   "type": "wordpress-plugin",
   "require": {
     "php": ">=5.5",
-    "composer/installers": "~1.9"
+    "composer/installers": "~1.11"
   },
   "require-dev": {
     "dealerdirect/phpcodesniffer-composer-installer": "^0.7",
@@ -27,7 +27,7 @@
     "phpunit/phpunit": "*",
     "phpunit/php-code-coverage": "*",
     "slowprog/composer-copy-file": "~0.3",
-    "squizlabs/php_codesniffer": "^3.5",
+    "squizlabs/php_codesniffer": "^3.6",
     "phpcompatibility/phpcompatibility-wp": "^2.1",
     "wp-coding-standards/wpcs": "^2.3"
   },