diff --git a/changelog/unreleased/PHPdependencies20210721onward b/changelog/unreleased/PHPdependencies20210721onward
index 75aaa315f6d9..227f297c7b99 100644
--- a/changelog/unreleased/PHPdependencies20210721onward
+++ b/changelog/unreleased/PHPdependencies20210721onward
@@ -16,6 +16,7 @@ The following have been updated:
 - phpseclib/phpseclib (3.0.9 to 3.0.11)
 - pimple/pimple (3.2.3 to 3.5.0)
 - punic/punic (3.6.0 to 3.7.0)
+- sabre/dav (4.1.5 to 4.2.0)
 - sabre/event (5.1.2 to 5.1.4)
 - sabre/http (5.1.1 to 5.1.3)
 - sabre/vobject (4.3.5 to 4.4.0)
@@ -55,3 +56,4 @@ https://github.com/owncloud/core/pull/39485
 https://github.com/owncloud/core/pull/39487
 https://github.com/owncloud/core/pull/39492
 https://github.com/owncloud/core/pull/39495
+https://github.com/owncloud/core/pull/39496
diff --git a/composer.lock b/composer.lock
index 09f83e32845f..bfd802831334 100644
--- a/composer.lock
+++ b/composer.lock
@@ -2663,16 +2663,16 @@
         },
         {
             "name": "sabre/dav",
-            "version": "4.1.5",
+            "version": "4.2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sabre-io/dav.git",
-                "reference": "c1afdc77a95efea6ee40c03c45f57c3c0c80ec22"
+                "reference": "af125a40abdac787c438a6fed6da3451bcaa0886"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sabre-io/dav/zipball/c1afdc77a95efea6ee40c03c45f57c3c0c80ec22",
-                "reference": "c1afdc77a95efea6ee40c03c45f57c3c0c80ec22",
+                "url": "https://api.github.com/repos/sabre-io/dav/zipball/af125a40abdac787c438a6fed6da3451bcaa0886",
+                "reference": "af125a40abdac787c438a6fed6da3451bcaa0886",
                 "shasum": ""
             },
             "require": {
@@ -2745,7 +2745,7 @@
                 "issues": "https://github.com/sabre-io/dav/issues",
                 "source": "https://github.com/fruux/sabre-dav"
             },
-            "time": "2021-02-12T07:54:23+00:00"
+            "time": "2021-11-17T04:45:57+00:00"
         },
         {
             "name": "sabre/event",