diff --git a/core/composer.json b/core/composer.json
index b1547df..09965aa 100644
--- a/core/composer.json
+++ b/core/composer.json
@@ -10,7 +10,7 @@
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     "symfony/dependency-injection": "2.7.*",
     "symfony/event-dispatcher": "2.7.*",
-    "symfony/http-foundation": "2.7.*",
+    "symfony/http-foundation": "~2.7.2",
     "symfony/http-kernel": "2.7.*",
     "symfony/routing": "2.7.*",
     "symfony/serializer": "2.7.*",
diff --git a/core/composer.lock b/core/composer.lock
index 2ce605c..5ade60a 100644
--- a/core/composer.lock
+++ b/core/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
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     ],
-    "hash": "6d065bd806544df5f446905bc3d6379f",
+    "hash": "bb574246b2b7f8f4631a83239065da4c",
     "packages": [
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             "name": "behat/mink",
@@ -126,7 +126,7 @@
             },
             "dist": {
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-                "url": "https://api.github.com/repos/minkphp/MinkGoutteDriver/zipball/cc5ce119b5a8e06662f634b35967aff0b0c7dfdd",
+                "url": "https://api.github.com/repos/minkphp/MinkGoutteDriver/zipball/7e9a7319cc0e8cf9d4d4c9e06e2020d3a31bd792",
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                 "shasum": ""
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@@ -796,7 +796,7 @@
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             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/d687700d601f8b5f19b99ffc1c0f6af835a3c7b7",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/33af93ab4b5e76df7a4c774910590f814a3e576c",
                 "reference": "1879fbe853b0c64d109e369c7aeff09849e62d1e",
                 "shasum": ""
             },
diff --git a/core/vendor/composer/installed.json b/core/vendor/composer/installed.json
index e406431..d092d93 100644
--- a/core/vendor/composer/installed.json
+++ b/core/vendor/composer/installed.json
@@ -2121,7 +2121,7 @@
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         "dist": {
             "type": "zip",
-            "url": "https://api.github.com/repos/guzzle/guzzle/zipball/d687700d601f8b5f19b99ffc1c0f6af835a3c7b7",
+            "url": "https://api.github.com/repos/guzzle/guzzle/zipball/33af93ab4b5e76df7a4c774910590f814a3e576c",
             "reference": "1879fbe853b0c64d109e369c7aeff09849e62d1e",
             "shasum": ""
         },
@@ -2236,7 +2236,7 @@
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         "dist": {
             "type": "zip",
-            "url": "https://api.github.com/repos/minkphp/MinkGoutteDriver/zipball/cc5ce119b5a8e06662f634b35967aff0b0c7dfdd",
+            "url": "https://api.github.com/repos/minkphp/MinkGoutteDriver/zipball/7e9a7319cc0e8cf9d4d4c9e06e2020d3a31bd792",
             "reference": "cc5ce119b5a8e06662f634b35967aff0b0c7dfdd",
             "shasum": ""
         },