diff --git a/composer.json b/composer.json
old mode 100755
new mode 100644
index b7ad877..26993d0
--- a/composer.json
+++ b/composer.json
@@ -48,7 +48,7 @@
     "stof/doctrine-extensions-bundle": "^1.3",
     "leafo/scssphp": "^0.6.7",
     "patchwork/jsqueeze": "^2.0",
-    "twbs/bootstrap": "v4.0.0-beta",
+    "twbs/bootstrap": "v4.5.3",
     "simplethings/entity-audit-bundle": "^1.0",
     "phpoffice/phpspreadsheet": "^1.2"
   },
diff --git a/composer.lock b/composer.lock
old mode 100755
new mode 100644
index fb0dbe0..2e759ad
--- 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": "27174f64e9c48ab9ca135803412cfe99",
+    "content-hash": "b75f591b49b72a2c7d981301974df750",
     "packages": [
         {
             "name": "behat/transliterator",
@@ -3361,6 +3361,7 @@
                 "javascript",
                 "minification"
             ],
+            "abandoned": true,
             "time": "2016-04-19T09:28:22+00:00"
         },
         {
@@ -3999,6 +4000,7 @@
                 "configuration",
                 "distribution"
             ],
+            "abandoned": true,
             "time": "2019-06-18T15:43:58+00:00"
         },
         {
@@ -4658,6 +4660,7 @@
             "keywords": [
                 "sonata"
             ],
+            "abandoned": true,
             "time": "2017-12-16T18:36:00+00:00"
         },
         {
@@ -7417,16 +7420,16 @@
         },
         {
             "name": "twbs/bootstrap",
-            "version": "v4.0.0-beta",
+            "version": "v4.5.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/twbs/bootstrap.git",
-                "reference": "35f80bb12e4e71fd777ee60ffa43711d8f84b1a6"
+                "reference": "a716fb03f965dc0846df479e14388b1b4b93d7ce"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/twbs/bootstrap/zipball/35f80bb12e4e71fd777ee60ffa43711d8f84b1a6",
-                "reference": "35f80bb12e4e71fd777ee60ffa43711d8f84b1a6",
+                "url": "https://api.github.com/repos/twbs/bootstrap/zipball/a716fb03f965dc0846df479e14388b1b4b93d7ce",
+                "reference": "a716fb03f965dc0846df479e14388b1b4b93d7ce",
                 "shasum": ""
             },
             "replace": {
@@ -7443,17 +7446,17 @@
                 "MIT"
             ],
             "authors": [
-                {
-                    "name": "Jacob Thornton",
-                    "email": "jacobthornton@gmail.com"
-                },
                 {
                     "name": "Mark Otto",
                     "email": "markdotto@gmail.com"
+                },
+                {
+                    "name": "Jacob Thornton",
+                    "email": "jacobthornton@gmail.com"
                 }
             ],
             "description": "The most popular front-end framework for developing responsive, mobile first projects on the web.",
-            "homepage": "https://getbootstrap.com",
+            "homepage": "https://getbootstrap.com/",
             "keywords": [
                 "JS",
                 "css",
@@ -7464,7 +7467,13 @@
                 "sass",
                 "web"
             ],
-            "time": "2017-08-11T03:56:35+00:00"
+            "funding": [
+                {
+                    "url": "https://opencollective.com/bootstrap",
+                    "type": "open_collective"
+                }
+            ],
+            "time": "2020-10-13T15:38:30+00:00"
         },
         {
             "name": "twig/extensions",
@@ -7519,6 +7528,7 @@
                 "i18n",
                 "text"
             ],
+            "abandoned": true,
             "time": "2018-12-05T18:34:18+00:00"
         },
         {
@@ -7817,9 +7827,7 @@
     ],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": {
-        "twbs/bootstrap": 10
-    },
+    "stability-flags": [],
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {