diff --git a/composer.json b/composer.json
index fdeabef..873212e 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
     "require": {
         "php": "^8.0",
         "slim/slim": "4.*",
-        "slim/psr7": "^1.5",
+        "slim/psr7": "dev-master",
         "php-di/php-di": "^6.3",
         "php-di/slim-bridge": "^3.2",
         "slim/twig-view": "^3.3",
diff --git a/composer.lock b/composer.lock
index 31e2b7e..c848bf2 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": "c3d172c51dcde3725ee22925a93865a5",
+    "content-hash": "a9a1d2aca168c73196f5ba99dc56a43b",
     "packages": [
         {
             "name": "akrabat/proxy-detection-middleware",
@@ -1253,41 +1253,42 @@
         },
         {
             "name": "slim/psr7",
-            "version": "1.6.1",
+            "version": "dev-master",
             "source": {
                 "type": "git",
                 "url": "https://github.com/slimphp/Slim-Psr7.git",
-                "reference": "72d2b2bac94ab4575d369f605dbfafbe168d3163"
+                "reference": "08dbc65964bf2c1fb0fe54256322a272cd02596b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/slimphp/Slim-Psr7/zipball/72d2b2bac94ab4575d369f605dbfafbe168d3163",
-                "reference": "72d2b2bac94ab4575d369f605dbfafbe168d3163",
+                "url": "https://api.github.com/repos/slimphp/Slim-Psr7/zipball/08dbc65964bf2c1fb0fe54256322a272cd02596b",
+                "reference": "08dbc65964bf2c1fb0fe54256322a272cd02596b",
                 "shasum": ""
             },
             "require": {
                 "fig/http-message-util": "^1.1.5",
-                "php": "^7.4 || ^8.0",
+                "php": "^8.0",
                 "psr/http-factory": "^1.0",
-                "psr/http-message": "^1.0",
+                "psr/http-message": "^1.0 || ^2.0",
                 "ralouphie/getallheaders": "^3.0",
-                "symfony/polyfill-php80": "^1.26"
+                "symfony/polyfill-php80": "^1.29"
             },
             "provide": {
-                "psr/http-factory-implementation": "1.0",
-                "psr/http-message-implementation": "1.0"
+                "psr/http-factory-implementation": "^1.0",
+                "psr/http-message-implementation": "^1.0 || ^2.0"
             },
             "require-dev": {
-                "adriansuter/php-autoload-override": "^1.3",
+                "adriansuter/php-autoload-override": "^1.4",
                 "ext-json": "*",
-                "http-interop/http-factory-tests": "^0.9.0",
-                "php-http/psr7-integration-tests": "1.1",
-                "phpspec/prophecy": "^1.15",
-                "phpspec/prophecy-phpunit": "^2.0",
-                "phpstan/phpstan": "^1.8",
-                "phpunit/phpunit": "^9.5",
-                "squizlabs/php_codesniffer": "^3.7"
+                "http-interop/http-factory-tests": "^1.1.0",
+                "php-http/psr7-integration-tests": "1.3.0",
+                "phpspec/prophecy": "^1.19",
+                "phpspec/prophecy-phpunit": "^2.2",
+                "phpstan/phpstan": "^1.10",
+                "phpunit/phpunit": "^9.6",
+                "squizlabs/php_codesniffer": "^3.9"
             },
+            "default-branch": true,
             "type": "library",
             "autoload": {
                 "psr-4": {
@@ -1329,9 +1330,9 @@
             ],
             "support": {
                 "issues": "https://github.com/slimphp/Slim-Psr7/issues",
-                "source": "https://github.com/slimphp/Slim-Psr7/tree/1.6.1"
+                "source": "https://github.com/slimphp/Slim-Psr7/tree/master"
             },
-            "time": "2023-04-17T16:02:20+00:00"
+            "time": "2024-03-03T21:28:35+00:00"
         },
         {
             "name": "slim/slim",
@@ -2333,6 +2334,7 @@
     "aliases": [],
     "minimum-stability": "dev",
     "stability-flags": {
+        "slim/psr7": 20,
         "erusev/parsedown-extra": 20
     },
     "prefer-stable": true,