diff --git a/composer.json b/composer.json
index 3701eb7..9c3233c 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,7 @@
         "react/event-loop": "^1.2",
         "react/promise": "^2.8",
         "react/promise-stream": "^1.2",
-        "react/promise-timer": "^1.6",
+        "react/promise-timer": "^1.11.0",
         "react/socket": "^1.9",
         "symfony/polyfill-php81": "^1.23",
         "thecodingmachine/safe": "^1.3.3 || ^2.0 || ^3.0",
diff --git a/composer.lock b/composer.lock
index 4bb6f14..03cd953 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": "a76a0f583714723beee2d4f5434312b5",
+    "content-hash": "bcfb861aa5507ebbc407e00c2d7dc31a",
     "packages": [
         {
             "name": "cakephp/core",
@@ -835,25 +835,25 @@
         },
         {
             "name": "react/promise-timer",
-            "version": "v1.9.0",
+            "version": "v1.11.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/reactphp/promise-timer.git",
-                "reference": "aa7a73c74b8d8c0f622f5982ff7b0351bc29e495"
+                "reference": "4f70306ed66b8b44768941ca7f142092600fafc1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/reactphp/promise-timer/zipball/aa7a73c74b8d8c0f622f5982ff7b0351bc29e495",
-                "reference": "aa7a73c74b8d8c0f622f5982ff7b0351bc29e495",
+                "url": "https://api.github.com/repos/reactphp/promise-timer/zipball/4f70306ed66b8b44768941ca7f142092600fafc1",
+                "reference": "4f70306ed66b8b44768941ca7f142092600fafc1",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3",
                 "react/event-loop": "^1.2",
-                "react/promise": "^3.0 || ^2.7.0 || ^1.2.1"
+                "react/promise": "^3.2 || ^2.7.0 || ^1.2.1"
             },
             "require-dev": {
-                "phpunit/phpunit": "^9.3 || ^5.7 || ^4.8.35"
+                "phpunit/phpunit": "^9.6 || ^5.7 || ^4.8.36"
             },
             "type": "library",
             "autoload": {
@@ -902,19 +902,15 @@
             ],
             "support": {
                 "issues": "https://github.com/reactphp/promise-timer/issues",
-                "source": "https://github.com/reactphp/promise-timer/tree/v1.9.0"
+                "source": "https://github.com/reactphp/promise-timer/tree/v1.11.0"
             },
             "funding": [
                 {
-                    "url": "https://github.com/WyriHaximus",
-                    "type": "github"
-                },
-                {
-                    "url": "https://github.com/clue",
-                    "type": "github"
+                    "url": "https://opencollective.com/reactphp",
+                    "type": "open_collective"
                 }
             ],
-            "time": "2022-06-13T13:41:03+00:00"
+            "time": "2024-06-04T14:27:45+00:00"
         },
         {
             "name": "react/socket",