diff --git a/composer.json b/composer.json
index 75c2f81baaf7..c40d4fbb2fbc 100644
--- a/composer.json
+++ b/composer.json
@@ -5,7 +5,10 @@
     "config" : {
         "vendor-dir": "lib/composer",
         "optimize-autoloader": true,
-        "classmap-authoritative": false
+        "classmap-authoritative": false,
+        "platform": {
+            "php": "5.6.33"
+        }
     },
     "autoload" : {
         "psr-4": {
diff --git a/composer.lock b/composer.lock
index 8d9bab32866e..015bb67f5197 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "d175a0b822f10f744722805842cfc017",
+    "content-hash": "a543c221e950baa545c3f42f18f891df",
     "packages": [
         {
             "name": "bantu/ini-get-wrapper",
@@ -6109,5 +6109,8 @@
     "platform": {
         "php": ">=5.4.1"
     },
-    "platform-dev": []
+    "platform-dev": [],
+    "platform-overrides": {
+        "php": "5.6.33"
+    }
 }