diff --git a/composer.json b/composer.json
index 3c0be5b..4c6e9ea 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
     ],
     "require": {
         "php": ">=5.5",
-        "sabre/dav"     : "~4.0.2",
+        "sabre/dav"     : "~4.0.3",
         "sabre/vobject": "^4.0",
         "nesbot/carbon": "^2.0.0",
         "laminas/laminas-validator": "^2.13",