diff --git a/core/lib/Drupal/Component/DependencyInjection/composer.json b/core/lib/Drupal/Component/DependencyInjection/composer.json
index 28dc031..133185e 100644
--- a/core/lib/Drupal/Component/DependencyInjection/composer.json
+++ b/core/lib/Drupal/Component/DependencyInjection/composer.json
@@ -12,7 +12,7 @@
   },
   "require": {
     "php": ">=5.5.9",
-    "symfony/dependency-injection": "2.7.*",
+    "symfony/dependency-injection": "~2.8",
     "symfony/expression-language": "2.7.*"
   },
   "autoload": {
diff --git a/core/lib/Drupal/Component/EventDispatcher/composer.json b/core/lib/Drupal/Component/EventDispatcher/composer.json
index 2132841..c4cfbce 100644
--- a/core/lib/Drupal/Component/EventDispatcher/composer.json
+++ b/core/lib/Drupal/Component/EventDispatcher/composer.json
@@ -6,7 +6,7 @@
   "license": "GPL-2.0+",
   "require": {
     "php": ">=5.5.9",
-    "symfony/dependency-injection": "2.7.*",
+    "symfony/dependency-injection": "~2.8",
     "symfony/event-dispatcher": "2.7.*"
   },
   "autoload": {