diff --git a/changelog/unreleased/37448 b/changelog/unreleased/37448
new file mode 100644
index 000000000000..51242fd8d02a
--- /dev/null
+++ b/changelog/unreleased/37448
@@ -0,0 +1,3 @@
+Change: Update doctrine/lexer (1.2.0 => 1.2.1)
+
+https://github.com/owncloud/core/pull/37448
diff --git a/composer.lock b/composer.lock
index 48826e776bb1..05bf882676f2 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,7 +1,7 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "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": "ce33d30427f0be740110e3df7b8700fd",
@@ -573,20 +573,20 @@
         },
         {
             "name": "doctrine/lexer",
-            "version": "1.2.0",
+            "version": "1.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/lexer.git",
-                "reference": "5242d66dbeb21a30dd8a3e66bf7a73b66e05e1f6"
+                "reference": "e864bbf5904cb8f5bb334f99209b48018522f042"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/lexer/zipball/5242d66dbeb21a30dd8a3e66bf7a73b66e05e1f6",
-                "reference": "5242d66dbeb21a30dd8a3e66bf7a73b66e05e1f6",
+                "url": "https://api.github.com/repos/doctrine/lexer/zipball/e864bbf5904cb8f5bb334f99209b48018522f042",
+                "reference": "e864bbf5904cb8f5bb334f99209b48018522f042",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.2"
+                "php": "^7.2 || ^8.0"
             },
             "require-dev": {
                 "doctrine/coding-standard": "^6.0",
@@ -631,7 +631,7 @@
                 "parser",
                 "php"
             ],
-            "time": "2019-10-30T14:39:59+00:00"
+            "time": "2020-05-25T17:44:05+00:00"
         },
         {
             "name": "egulias/email-validator",