diff --git a/php/composer.lock b/php/composer.lock
index 21b72b1b..e1007d8a 100644
--- a/php/composer.lock
+++ b/php/composer.lock
@@ -1955,16 +1955,16 @@
     "packages-dev": [
         {
             "name": "amphp/amp",
-            "version": "v3.1.1",
+            "version": "v3.1.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/amphp/amp.git",
-                "reference": "fa0ab33a6f47a82929c38d03ca47ebb71086a93f"
+                "reference": "2f3ebed5a4f663968a0590dbb7654a8b32cb63cb"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/amphp/amp/zipball/fa0ab33a6f47a82929c38d03ca47ebb71086a93f",
-                "reference": "fa0ab33a6f47a82929c38d03ca47ebb71086a93f",
+                "url": "https://api.github.com/repos/amphp/amp/zipball/2f3ebed5a4f663968a0590dbb7654a8b32cb63cb",
+                "reference": "2f3ebed5a4f663968a0590dbb7654a8b32cb63cb",
                 "shasum": ""
             },
             "require": {
@@ -1974,7 +1974,7 @@
             "require-dev": {
                 "amphp/php-cs-fixer-config": "^2",
                 "phpunit/phpunit": "^9",
-                "psalm/phar": "5.23.1"
+                "psalm/phar": "6.16.1"
             },
             "type": "library",
             "autoload": {
@@ -2024,7 +2024,7 @@
             ],
             "support": {
                 "issues": "https://github.com/amphp/amp/issues",
-                "source": "https://github.com/amphp/amp/tree/v3.1.1"
+                "source": "https://github.com/amphp/amp/tree/v3.1.2"
             },
             "funding": [
                 {
@@ -2032,7 +2032,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2025-08-27T21:42:00+00:00"
+            "time": "2026-06-21T13:59:44+00:00"
         },
         {
             "name": "amphp/byte-stream",