diff --git a/composer.json b/composer.json
index 4a8438802647ef1f057b788a0e2dbf6a1213dae6..3a4d96eff8142988347b56ef9d1b087ceb6fd698 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
         "behat/mink-browserkit-driver": "^2.1",
         "behat/mink-selenium2-driver": "^1.4",
         "colinodell/psr-testlogger": "^1.2",
-        "composer/composer": "^2.4",
+        "composer/composer": "^2.6.4",
         "drupal/coder": "^8.3.10",
         "instaclick/php-webdriver": "^1.4.1",
         "justinrainbow/json-schema": "^5.2",
diff --git a/composer.lock b/composer.lock
index 43eb39a75138918b7898281c8cff52f64a3366f6..f1ed6e611c199bceb0d80016619eca2793e73355 100644
--- 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": "bfd416e5a3556fed83f84928cf81fa18",
+    "content-hash": "a30c52b5963c822aaa101826b97c7bab",
     "packages": [
         {
             "name": "asm89/stack-cors",
@@ -4641,16 +4641,16 @@
         },
         {
             "name": "composer/composer",
-            "version": "2.5.7",
+            "version": "2.6.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/composer/composer.git",
-                "reference": "d477018d3f2ebd76dede3d3988a0b1a7add4d81e"
+                "reference": "d75d17c16a863438027d1d96401cddcd6aa5bb60"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/composer/composer/zipball/d477018d3f2ebd76dede3d3988a0b1a7add4d81e",
-                "reference": "d477018d3f2ebd76dede3d3988a0b1a7add4d81e",
+                "url": "https://api.github.com/repos/composer/composer/zipball/d75d17c16a863438027d1d96401cddcd6aa5bb60",
+                "reference": "d75d17c16a863438027d1d96401cddcd6aa5bb60",
                 "shasum": ""
             },
             "require": {
@@ -4658,23 +4658,23 @@
                 "composer/class-map-generator": "^1.0",
                 "composer/metadata-minifier": "^1.0",
                 "composer/pcre": "^2.1 || ^3.1",
-                "composer/semver": "^3.0",
+                "composer/semver": "^3.2.5",
                 "composer/spdx-licenses": "^1.5.7",
                 "composer/xdebug-handler": "^2.0.2 || ^3.0.3",
                 "justinrainbow/json-schema": "^5.2.11",
                 "php": "^7.2.5 || ^8.0",
                 "psr/log": "^1.0 || ^2.0 || ^3.0",
-                "react/promise": "^2.8",
+                "react/promise": "^2.8 || ^3",
                 "seld/jsonlint": "^1.4",
                 "seld/phar-utils": "^1.2",
                 "seld/signal-handler": "^2.0",
-                "symfony/console": "^5.4.11 || ^6.0.11",
-                "symfony/filesystem": "^5.4 || ^6.0",
-                "symfony/finder": "^5.4 || ^6.0",
+                "symfony/console": "^5.4.11 || ^6.0.11 || ^7",
+                "symfony/filesystem": "^5.4 || ^6.0 || ^7",
+                "symfony/finder": "^5.4 || ^6.0 || ^7",
                 "symfony/polyfill-php73": "^1.24",
                 "symfony/polyfill-php80": "^1.24",
                 "symfony/polyfill-php81": "^1.24",
-                "symfony/process": "^5.4 || ^6.0"
+                "symfony/process": "^5.4 || ^6.0 || ^7"
             },
             "require-dev": {
                 "phpstan/phpstan": "^1.9.3",
@@ -4682,7 +4682,7 @@
                 "phpstan/phpstan-phpunit": "^1.0",
                 "phpstan/phpstan-strict-rules": "^1",
                 "phpstan/phpstan-symfony": "^1.2.10",
-                "symfony/phpunit-bridge": "^6.0"
+                "symfony/phpunit-bridge": "^6.0 || ^7"
             },
             "suggest": {
                 "ext-openssl": "Enabling the openssl extension allows you to access https URLs for repositories and packages",
@@ -4695,7 +4695,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-main": "2.5-dev"
+                    "dev-main": "2.6-dev"
                 },
                 "phpstan": {
                     "includes": [
@@ -4705,7 +4705,7 @@
             },
             "autoload": {
                 "psr-4": {
-                    "Composer\\": "src/Composer"
+                    "Composer\\": "src/Composer/"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -4734,7 +4734,8 @@
             "support": {
                 "irc": "ircs://irc.libera.chat:6697/composer",
                 "issues": "https://github.com/composer/composer/issues",
-                "source": "https://github.com/composer/composer/tree/2.5.7"
+                "security": "https://github.com/composer/composer/security/policy",
+                "source": "https://github.com/composer/composer/tree/2.6.4"
             },
             "funding": [
                 {
@@ -4750,7 +4751,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-05-24T13:00:40+00:00"
+            "time": "2023-09-29T08:54:47+00:00"
         },
         {
             "name": "composer/metadata-minifier",
diff --git a/composer/Metapackage/DevDependencies/composer.json b/composer/Metapackage/DevDependencies/composer.json
index 0efa90a95077fe1aca7d906b93a529f20368cb39..44b215805d6667fb09387c0183d0edaec0588468 100644
--- a/composer/Metapackage/DevDependencies/composer.json
+++ b/composer/Metapackage/DevDependencies/composer.json
@@ -11,7 +11,7 @@
         "behat/mink-browserkit-driver": "^2.1",
         "behat/mink-selenium2-driver": "^1.4",
         "colinodell/psr-testlogger": "^1.2",
-        "composer/composer": "^2.4",
+        "composer/composer": "^2.6.4",
         "drupal/coder": "^8.3.10",
         "instaclick/php-webdriver": "^1.4.1",
         "justinrainbow/json-schema": "^5.2",
diff --git a/composer/Metapackage/PinnedDevDependencies/composer.json b/composer/Metapackage/PinnedDevDependencies/composer.json
index 08e7a0547a5bba9b3c79020f14e26362b1305dbd..cf05e4691c318d94ccfc4d08f35354a0e0ef8fe0 100644
--- a/composer/Metapackage/PinnedDevDependencies/composer.json
+++ b/composer/Metapackage/PinnedDevDependencies/composer.json
@@ -14,7 +14,7 @@
         "colinodell/psr-testlogger": "v1.2.0",
         "composer/ca-bundle": "1.3.6",
         "composer/class-map-generator": "1.0.0",
-        "composer/composer": "2.5.7",
+        "composer/composer": "2.6.4",
         "composer/metadata-minifier": "1.0.0",
         "composer/pcre": "3.1.0",
         "composer/spdx-licenses": "1.5.7",