diff --git a/composer.lock b/composer.lock
index 6223f775..ad908795 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1101,16 +1101,16 @@
         },
         {
             "name": "sabre/dav",
-            "version": "4.4.0",
+            "version": "4.5.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sabre-io/dav.git",
-                "reference": "b65362abc926520eda2c57e219f022a6c288069d"
+                "reference": "7e40343e473f17eab3d1d6ca4ae3e1cdfc6e0fd8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sabre-io/dav/zipball/b65362abc926520eda2c57e219f022a6c288069d",
-                "reference": "b65362abc926520eda2c57e219f022a6c288069d",
+                "url": "https://api.github.com/repos/sabre-io/dav/zipball/7e40343e473f17eab3d1d6ca4ae3e1cdfc6e0fd8",
+                "reference": "7e40343e473f17eab3d1d6ca4ae3e1cdfc6e0fd8",
                 "shasum": ""
             },
             "require": {
@@ -1133,11 +1133,11 @@
                 "sabre/xml": "^2.0.1"
             },
             "require-dev": {
-                "evert/phpdoc-md": "~0.1.0",
-                "friendsofphp/php-cs-fixer": "^2.17.1",
-                "monolog/monolog": "^1.18",
-                "phpstan/phpstan": "^0.12",
-                "phpunit/phpunit": "^7.5 || ^8.5 || ^9.0"
+                "friendsofphp/php-cs-fixer": "^2.19",
+                "monolog/monolog": "^1.27",
+                "phpstan/phpstan": "^0.12 || ^1.0",
+                "phpstan/phpstan-phpunit": "^1.0",
+                "phpunit/phpunit": "^7.5 || ^8.5 || ^9.6"
             },
             "suggest": {
                 "ext-curl": "*",
@@ -1151,10 +1151,7 @@
             "type": "library",
             "autoload": {
                 "psr-4": {
-                    "Sabre\\DAV\\": "lib/DAV/",
-                    "Sabre\\CalDAV\\": "lib/CalDAV/",
-                    "Sabre\\DAVACL\\": "lib/DAVACL/",
-                    "Sabre\\CardDAV\\": "lib/CardDAV/"
+                    "Sabre\\": "lib/"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -1183,7 +1180,7 @@
                 "issues": "https://github.com/sabre-io/dav/issues",
                 "source": "https://github.com/fruux/sabre-dav"
             },
-            "time": "2022-06-27T09:07:55+00:00"
+            "time": "2023-11-14T10:48:05+00:00"
         },
         {
             "name": "sabre/event",