diff --git a/composer.lock b/composer.lock
index 2d0b45b..fa7c731 100644
--- a/composer.lock
+++ b/composer.lock
@@ -326,25 +326,26 @@
         },
         {
             "name": "amphp/hpack",
-            "version": "v3.1.1",
+            "version": "v3.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/amphp/hpack.git",
-                "reference": "cf4f1663e9fd58f60258c06177098655ca6377a5"
+                "reference": "4f293064b15682a2b178b1367ddf0b8b5feb0239"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/amphp/hpack/zipball/cf4f1663e9fd58f60258c06177098655ca6377a5",
-                "reference": "cf4f1663e9fd58f60258c06177098655ca6377a5",
+                "url": "https://api.github.com/repos/amphp/hpack/zipball/4f293064b15682a2b178b1367ddf0b8b5feb0239",
+                "reference": "4f293064b15682a2b178b1367ddf0b8b5feb0239",
                 "shasum": ""
             },
             "require": {
                 "php": ">=7.1"
             },
             "require-dev": {
-                "amphp/php-cs-fixer-config": "dev-master",
+                "amphp/php-cs-fixer-config": "^2",
                 "http2jp/hpack-test-case": "^1",
-                "phpunit/phpunit": "^6 | ^7"
+                "nikic/php-fuzzer": "^0.0.10",
+                "phpunit/phpunit": "^7 | ^8 | ^9"
             },
             "type": "library",
             "extra": {
@@ -387,7 +388,7 @@
             ],
             "support": {
                 "issues": "https://github.com/amphp/hpack/issues",
-                "source": "https://github.com/amphp/hpack/tree/v3.1.1"
+                "source": "https://github.com/amphp/hpack/tree/v3.2.1"
             },
             "funding": [
                 {
@@ -395,20 +396,20 @@
                     "type": "github"
                 }
             ],
-            "time": "2021-06-11T20:03:34+00:00"
+            "time": "2024-03-21T19:00:16+00:00"
         },
         {
             "name": "amphp/http",
-            "version": "v1.6.3",
+            "version": "v1.7.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/amphp/http.git",
-                "reference": "e2b75561011a9596e4574cc867e07a706d56394b"
+                "reference": "3a33e68a3b53f7279217238e89748cf0cb30b8a6"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/amphp/http/zipball/e2b75561011a9596e4574cc867e07a706d56394b",
-                "reference": "e2b75561011a9596e4574cc867e07a706d56394b",
+                "url": "https://api.github.com/repos/amphp/http/zipball/3a33e68a3b53f7279217238e89748cf0cb30b8a6",
+                "reference": "3a33e68a3b53f7279217238e89748cf0cb30b8a6",
                 "shasum": ""
             },
             "require": {
@@ -416,8 +417,8 @@
                 "php": ">=7.1"
             },
             "require-dev": {
-                "amphp/php-cs-fixer-config": "dev-master",
-                "phpunit/phpunit": "^7 || ^6.5"
+                "amphp/php-cs-fixer-config": "2.x-dev#3c24119d0377eed2093d5c0f0541478cb75ea72d",
+                "phpunit/phpunit": "^9 || ^8 || ^7"
             },
             "type": "library",
             "extra": {
@@ -446,7 +447,7 @@
             "description": "Basic HTTP primitives which can be shared by servers and clients.",
             "support": {
                 "issues": "https://github.com/amphp/http/issues",
-                "source": "https://github.com/amphp/http/tree/v1.6.3"
+                "source": "https://github.com/amphp/http/tree/v1.7.3"
             },
             "funding": [
                 {
@@ -454,7 +455,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2020-11-28T17:04:34+00:00"
+            "time": "2024-04-03T17:45:14+00:00"
         },
         {
             "name": "amphp/http-client",
@@ -3980,5 +3981,5 @@
         "php": ">=7.0"
     },
     "platform-dev": [],
-    "plugin-api-version": "2.3.0"
+    "plugin-api-version": "2.6.0"
 }