diff --git a/composer.lock b/composer.lock
index ddaa66ee82..d3406e975b 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4194,23 +4194,23 @@
         },
         {
             "name": "symfony/phpunit-bridge",
-            "version": "v3.2.8",
+            "version": "v3.3.10",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/phpunit-bridge.git",
-                "reference": "00916603c524b8048906de460b7ea0dfa1651281"
+                "reference": "6e40d1c8bc4037edf3852c0b29fdd2923c4e2133"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/phpunit-bridge/zipball/00916603c524b8048906de460b7ea0dfa1651281",
-                "reference": "00916603c524b8048906de460b7ea0dfa1651281",
+                "url": "https://api.github.com/repos/symfony/phpunit-bridge/zipball/6e40d1c8bc4037edf3852c0b29fdd2923c4e2133",
+                "reference": "6e40d1c8bc4037edf3852c0b29fdd2923c4e2133",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.3"
             },
             "conflict": {
-                "phpunit/phpunit": ">=6.0"
+                "phpunit/phpunit": "<4.8.35|<5.4.3,>=5.0"
             },
             "suggest": {
                 "ext-zip": "Zip support is required when using bin/simple-phpunit",
@@ -4222,7 +4222,7 @@
             "type": "symfony-bridge",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.2-dev"
+                    "dev-master": "3.3-dev"
                 }
             },
             "autoload": {
@@ -4252,7 +4252,7 @@
             ],
             "description": "Symfony PHPUnit Bridge",
             "homepage": "https://symfony.com",
-            "time": "2017-04-12T14:13:17+00:00"
+            "time": "2017-10-02T06:54:00+00:00"
         }
     ],
     "aliases": [],
diff --git a/core/composer.json b/core/composer.json
index c802e5d6ee..4774506ed1 100644
--- a/core/composer.json
+++ b/core/composer.json
@@ -47,7 +47,7 @@
         "phpunit/phpunit": ">=4.8.35 <5",
         "phpspec/prophecy": "^1.4",
         "symfony/css-selector": "~3.2.8",
-        "symfony/phpunit-bridge": "~3.2.8"
+        "symfony/phpunit-bridge": "^3.2"
     },
     "replace": {
         "drupal/action": "self.version",