diff --git a/composer.lock b/composer.lock
index cbc5501..c207642 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,10 +1,10 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "eefb826ab21623167dfafe423c721d9d",
+    "content-hash": "e78a9455d6ca3b2f6152dc516bfc50a6",
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@@ -798,16 +798,16 @@
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+            "version": "v4.4.1",
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-                "reference": "987a05df1c6ac259b34008b932551353f4f408df"
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@@ -815,14 +815,17 @@
                 "symfony/polyfill-intl-idn": "^1.10",
                 "symfony/polyfill-mbstring": "^1.0"
             },
+            "conflict": {
+                "symfony/mailer": "<4.4"
+            },
             "require-dev": {
                 "egulias/email-validator": "^2.1.10",
-                "symfony/dependency-injection": "~3.4|^4.1"
+                "symfony/dependency-injection": "^3.4|^4.1|^5.0"
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@@ -853,7 +856,7 @@
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                 "mime-type"
             ],
-            "time": "2019-08-22T08:16:11+00:00"
+            "time": "2019-11-30T08:27:26+00:00"
         },
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@@ -911,16 +914,16 @@
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-                "reference": "6af626ae6fa37d396dc90a399c0ff08e5cfc45b2"
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-                "reference": "6af626ae6fa37d396dc90a399c0ff08e5cfc45b2",
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@@ -934,7 +937,7 @@
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@@ -969,20 +972,20 @@
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-            "time": "2019-08-06T08:03:45+00:00"
+            "time": "2019-11-27T13:56:44+00:00"
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-            "version": "v1.12.0",
+            "version": "v1.13.1",
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@@ -994,7 +997,7 @@
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@@ -1028,20 +1031,20 @@
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-            "time": "2019-08-06T08:03:45+00:00"
+            "time": "2019-11-27T14:18:11+00:00"
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+            "version": "v1.13.1",
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-                "reference": "04ce3335667451138df4307d6a9b61565560199e"
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@@ -1050,7 +1053,7 @@
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@@ -1083,7 +1086,7 @@
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+            "time": "2019-11-27T13:56:44+00:00"
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