diff --git a/composer.json b/composer.json
index d06bf6dfbb849792f7fcf56af79cc4fcb493ab0c..d0afa4f4927f6a7326543b78e6ea39b65cca77b8 100644
--- a/composer.json
+++ b/composer.json
@@ -127,6 +127,7 @@
         "drupal/search_api_db": "1.1",
         "drupal/search_api_glossary": "3.4",
         "drupal/simple_megamenu": "1.0-beta3",
+        "drupal/simple_sitemap": "^3.0",
         "drupal/simplesamlphp_auth": "3.0",
         "drupal/smtp": "1.0-beta4",
         "drupal/social_media": "^1.3",
diff --git a/composer.lock b/composer.lock
index 7d111757328b028dc652d38f195f2624c1c2b468..01b126a006a4d2306a55aec6d3ce9f12292e7049 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": "ea81419b7788ac165090f6f773f17c7a",
+    "content-hash": "63d43b920a506eddccb3d90debb5fd5c",
     "packages": [
         {
             "name": "alchemy/zippy",
@@ -3431,7 +3431,8 @@
                         "status": "not-covered",
                         "message": "Beta releases are not covered by Drupal security advisories."
                     }
-                }
+                },
+                "patches_applied": []
             },
             "notification-url": "https://packages.drupal.org/8/downloads",
             "license": [
@@ -3450,10 +3451,18 @@
                     "name": "Drupal Media Team",
                     "homepage": "https://www.drupal.org/user/3260690"
                 },
+                {
+                    "name": "Wim Leers",
+                    "homepage": "https://www.drupal.org/user/99777"
+                },
                 {
                     "name": "cs_shadow",
                     "homepage": "https://www.drupal.org/user/2828287"
                 },
+                {
+                    "name": "phenaproxima",
+                    "homepage": "https://www.drupal.org/user/205645"
+                },
                 {
                     "name": "slashrsm",
                     "homepage": "https://www.drupal.org/user/744628"
@@ -5306,6 +5315,67 @@
                 "issues": "https://www.drupal.org/project/issues/simple_megamenu"
             }
         },
+        {
+            "name": "drupal/simple_sitemap",
+            "version": "3.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://git.drupal.org/project/simple_sitemap",
+                "reference": "8.x-3.0"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://ftp.drupal.org/files/projects/simple_sitemap-8.x-3.0.zip",
+                "reference": "8.x-3.0",
+                "shasum": "9c3d1fb78d4693dd4f3258e8870b173650c828cd"
+            },
+            "require": {
+                "drupal/core": "~8.0",
+                "ext-xmlwriter": "*"
+            },
+            "type": "drupal-module",
+            "extra": {
+                "branch-alias": {
+                    "dev-3.x": "3.x-dev"
+                },
+                "drupal": {
+                    "version": "8.x-3.0",
+                    "datestamp": "1544876325",
+                    "security-coverage": {
+                        "status": "covered",
+                        "message": "Covered by Drupal's security advisory policy"
+                    }
+                },
+                "drush": {
+                    "services": {
+                        "drush.services.yml": "^9"
+                    }
+                }
+            },
+            "notification-url": "https://packages.drupal.org/8/downloads",
+            "license": [
+                "GPL-2.0+"
+            ],
+            "authors": [
+                {
+                    "name": "Pawel Ginalski (gbyte.co)",
+                    "homepage": "https://www.drupal.org/u/gbyte.co",
+                    "email": "contact@gbyte.co",
+                    "role": "Maintainer"
+                },
+                {
+                    "name": "gbyte.co",
+                    "homepage": "https://www.drupal.org/user/2381352"
+                }
+            ],
+            "description": "Creates a standard conform hreflang XML sitemap of the site content and provides a framework for developing other sitemap types.",
+            "homepage": "https://drupal.org/project/simple_sitemap",
+            "support": {
+                "source": "https://cgit.drupalcode.org/simple_sitemap",
+                "issues": "https://drupal.org/project/issues/simple_sitemap",
+                "irc": "irc://irc.freenode.org/drupal-contribute"
+            }
+        },
         {
             "name": "drupal/simplesamlphp_auth",
             "version": "3.0.0",
diff --git a/vendor/composer/installed.json b/vendor/composer/installed.json
index d06ad85c3995e95dca65b63d2553f466313a9e49..d845a313fe1de76c9999ed40a1952024d540bd67 100644
--- a/vendor/composer/installed.json
+++ b/vendor/composer/installed.json
@@ -3554,10 +3554,18 @@
                 "name": "Drupal Media Team",
                 "homepage": "https://www.drupal.org/user/3260690"
             },
+            {
+                "name": "Wim Leers",
+                "homepage": "https://www.drupal.org/user/99777"
+            },
             {
                 "name": "cs_shadow",
                 "homepage": "https://www.drupal.org/user/2828287"
             },
+            {
+                "name": "phenaproxima",
+                "homepage": "https://www.drupal.org/user/205645"
+            },
             {
                 "name": "slashrsm",
                 "homepage": "https://www.drupal.org/user/744628"
@@ -5471,6 +5479,69 @@
             "issues": "https://www.drupal.org/project/issues/simple_megamenu"
         }
     },
+    {
+        "name": "drupal/simple_sitemap",
+        "version": "3.0.0",
+        "version_normalized": "3.0.0.0",
+        "source": {
+            "type": "git",
+            "url": "https://git.drupal.org/project/simple_sitemap",
+            "reference": "8.x-3.0"
+        },
+        "dist": {
+            "type": "zip",
+            "url": "https://ftp.drupal.org/files/projects/simple_sitemap-8.x-3.0.zip",
+            "reference": "8.x-3.0",
+            "shasum": "9c3d1fb78d4693dd4f3258e8870b173650c828cd"
+        },
+        "require": {
+            "drupal/core": "~8.0",
+            "ext-xmlwriter": "*"
+        },
+        "type": "drupal-module",
+        "extra": {
+            "branch-alias": {
+                "dev-3.x": "3.x-dev"
+            },
+            "drupal": {
+                "version": "8.x-3.0",
+                "datestamp": "1544876325",
+                "security-coverage": {
+                    "status": "covered",
+                    "message": "Covered by Drupal's security advisory policy"
+                }
+            },
+            "drush": {
+                "services": {
+                    "drush.services.yml": "^9"
+                }
+            }
+        },
+        "installation-source": "dist",
+        "notification-url": "https://packages.drupal.org/8/downloads",
+        "license": [
+            "GPL-2.0+"
+        ],
+        "authors": [
+            {
+                "name": "Pawel Ginalski (gbyte.co)",
+                "homepage": "https://www.drupal.org/u/gbyte.co",
+                "email": "contact@gbyte.co",
+                "role": "Maintainer"
+            },
+            {
+                "name": "gbyte.co",
+                "homepage": "https://www.drupal.org/user/2381352"
+            }
+        ],
+        "description": "Creates a standard conform hreflang XML sitemap of the site content and provides a framework for developing other sitemap types.",
+        "homepage": "https://drupal.org/project/simple_sitemap",
+        "support": {
+            "source": "https://cgit.drupalcode.org/simple_sitemap",
+            "issues": "https://drupal.org/project/issues/simple_sitemap",
+            "irc": "irc://irc.freenode.org/drupal-contribute"
+        }
+    },
     {
         "name": "drupal/simplesamlphp_auth",
         "version": "3.0.0",