diff --git a/core/composer.json b/core/composer.json
index 2efa374..37d24fb 100644
--- a/core/composer.json
+++ b/core/composer.json
@@ -36,12 +36,12 @@
     "require-dev": {
         "behat/mink": "~1.7",
         "behat/mink-goutte-driver": "~1.2",
-        "drupal/coder": "~8.2",
+        "drupal/coder": "8.2.7",
         "jcalderonzumba/gastonjs": "~1.0.2",
         "jcalderonzumba/mink-phantomjs-driver": "~0.3.1",
         "mikey179/vfsStream": "~1.2",
         "phpunit/phpunit": "~4.8",
-        "squizlabs/php_codesniffer": "~2",
+        "squizlabs/php_codesniffer": ">=2.5.1",
         "symfony/css-selector": "~2.8"
     },
     "replace": {