diff --git a/composer.json b/composer.json
index 9a92de5cc..ca9b740e2 100644
--- a/composer.json
+++ b/composer.json
@@ -54,7 +54,7 @@
         "doctrine/instantiator": "^1.1",
         "phpdocumentor/reflection-docblock": "5.2.1",
         "symfony/debug": "4.4.12",
-        "symfony/yaml": "4.4.12",
+        "symfony/yaml": "4.4.13",
         "symfony/finder": "3.4.8",
         "symfony/stopwatch" : "4.4.12",
         "myclabs/deep-copy": "1.10.1",
diff --git a/composer.lock b/composer.lock
index 8bd1cb877..1e45362c7 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "b0caedbfbd116c7ebda3835531c03dd1",
+    "content-hash": "426728aa928af4eacae55195d103a115",
     "packages": [
         {
             "name": "christian-riesen/base32",
@@ -1714,12 +1714,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/Roave/SecurityAdvisories.git",
-                "reference": "dbda10aea96678b6742e8f0109c1c7ac003a0f69"
+                "reference": "697cfbd44fa43ebb5cd9d5ce6d8fc0edcbce85b8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Roave/SecurityAdvisories/zipball/dbda10aea96678b6742e8f0109c1c7ac003a0f69",
-                "reference": "dbda10aea96678b6742e8f0109c1c7ac003a0f69",
+                "url": "https://api.github.com/repos/Roave/SecurityAdvisories/zipball/697cfbd44fa43ebb5cd9d5ce6d8fc0edcbce85b8",
+                "reference": "697cfbd44fa43ebb5cd9d5ce6d8fc0edcbce85b8",
                 "shasum": ""
             },
             "conflict": {
@@ -1753,6 +1753,7 @@
                 "contao/listing-bundle": ">=4,<4.4.8",
                 "datadog/dd-trace": ">=0.30,<0.30.2",
                 "david-garcia/phpwhois": "<=4.3.1",
+                "derhansen/sf_event_mgt": "<4.3.1|>=5,<5.1.1",
                 "doctrine/annotations": ">=1,<1.2.7",
                 "doctrine/cache": ">=1,<1.3.2|>=1.4,<1.4.2",
                 "doctrine/common": ">=2,<2.4.3|>=2.5,<2.5.1",
@@ -1900,7 +1901,7 @@
                 "symfony/form": ">=2.3,<2.3.35|>=2.4,<2.6.12|>=2.7,<2.7.50|>=2.8,<2.8.49|>=3,<3.4.20|>=4,<4.0.15|>=4.1,<4.1.9|>=4.2,<4.2.1",
                 "symfony/framework-bundle": ">=2,<2.3.18|>=2.4,<2.4.8|>=2.5,<2.5.2|>=2.7,<2.7.51|>=2.8,<2.8.50|>=3,<3.4.26|>=4,<4.1.12|>=4.2,<4.2.7",
                 "symfony/http-foundation": ">=2,<2.8.52|>=3,<3.4.35|>=4,<4.2.12|>=4.3,<4.3.8|>=4.4,<4.4.7|>=5,<5.0.7",
-                "symfony/http-kernel": ">=2,<2.8.52|>=3,<3.4.35|>=4,<4.2.12|>=4.3,<4.3.8",
+                "symfony/http-kernel": ">=2,<2.8.52|>=3,<3.4.35|>=4,<4.2.12|>=4.3,<4.4.13|>=5,<5.1.5",
                 "symfony/intl": ">=2.7,<2.7.38|>=2.8,<2.8.31|>=3,<3.2.14|>=3.3,<3.3.13",
                 "symfony/mime": ">=4.3,<4.3.8",
                 "symfony/phpunit-bridge": ">=2.8,<2.8.50|>=3,<3.4.26|>=4,<4.1.12|>=4.2,<4.2.7",
@@ -1915,7 +1916,7 @@
                 "symfony/security-guard": ">=2.8,<2.8.41|>=3,<3.3.17|>=3.4,<3.4.11|>=4,<4.0.11",
                 "symfony/security-http": ">=2.3,<2.3.41|>=2.4,<2.7.51|>=2.8,<2.8.50|>=3,<3.4.26|>=4,<4.2.12|>=4.3,<4.3.8|>=4.4,<4.4.7|>=5,<5.0.7",
                 "symfony/serializer": ">=2,<2.0.11",
-                "symfony/symfony": ">=2,<2.8.52|>=3,<3.4.35|>=4,<4.2.12|>=4.3,<4.3.8|>=4.4,<4.4.7|>=5,<5.0.7",
+                "symfony/symfony": ">=2,<2.8.52|>=3,<3.4.35|>=4,<4.2.12|>=4.3,<4.4.13|>=5,<5.1.5",
                 "symfony/translation": ">=2,<2.0.17",
                 "symfony/validator": ">=2,<2.0.24|>=2.1,<2.1.12|>=2.2,<2.2.5|>=2.3,<2.3.3",
                 "symfony/var-exporter": ">=4.2,<4.2.12|>=4.3,<4.3.8",
@@ -2003,7 +2004,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2020-08-28T21:02:31+00:00"
+            "time": "2020-09-02T19:02:24+00:00"
         },
         {
             "name": "sebastian/code-unit-reverse-lookup",
@@ -2864,7 +2865,7 @@
         },
         {
             "name": "symfony/yaml",
-            "version": "v4.4.12",
+            "version": "v4.4.13",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",