diff --git a/composer.json b/composer.json
index 8d1c605a6..6a2bbf6c6 100644
--- a/composer.json
+++ b/composer.json
@@ -80,7 +80,7 @@
         "phpmd/phpmd": "^2.14",
         "phpstan/phpstan": "^0.12.87 || ^1.0",
         "phpunit/phpunit": "^9.5.10",
-        "psr/http-message": "^1.0",
+        "psr/http-message": "^2.0",
         "roave/security-advisories": "dev-master",
         "scssphp/scssphp": "~1.11.0",
         "siad007/versioncontrol_hg": "^1.0",
diff --git a/composer.lock b/composer.lock
index 36965466d..c40336d00 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": "df875ed22280069ec1620e5e396733ce",
+    "content-hash": "fe73040e6794da317c17b897982fabc1",
     "packages": [
         {
             "name": "psr/container",
@@ -4320,16 +4320,16 @@
         },
         {
             "name": "psr/http-message",
-            "version": "1.1",
+            "version": "2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/php-fig/http-message.git",
-                "reference": "cb6ce4845ce34a8ad9e68117c10ee90a29919eba"
+                "reference": "402d35bcb92c70c026d1a6a9883f06b2ead23d71"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/http-message/zipball/cb6ce4845ce34a8ad9e68117c10ee90a29919eba",
-                "reference": "cb6ce4845ce34a8ad9e68117c10ee90a29919eba",
+                "url": "https://api.github.com/repos/php-fig/http-message/zipball/402d35bcb92c70c026d1a6a9883f06b2ead23d71",
+                "reference": "402d35bcb92c70c026d1a6a9883f06b2ead23d71",
                 "shasum": ""
             },
             "require": {
@@ -4338,7 +4338,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.1.x-dev"
+                    "dev-master": "2.0.x-dev"
                 }
             },
             "autoload": {
@@ -4353,7 +4353,7 @@
             "authors": [
                 {
                     "name": "PHP-FIG",
-                    "homepage": "http://www.php-fig.org/"
+                    "homepage": "https://www.php-fig.org/"
                 }
             ],
             "description": "Common interface for HTTP messages",
@@ -4367,9 +4367,9 @@
                 "response"
             ],
             "support": {
-                "source": "https://github.com/php-fig/http-message/tree/1.1"
+                "source": "https://github.com/php-fig/http-message/tree/2.0"
             },
-            "time": "2023-04-04T09:50:52+00:00"
+            "time": "2023-04-04T09:54:51+00:00"
         },
         {
             "name": "psr/log",
@@ -7243,5 +7243,5 @@
     "platform-overrides": {
         "php": "7.4"
     },
-    "plugin-api-version": "2.3.0"
+    "plugin-api-version": "2.6.0"
 }