diff --git a/composer.json b/composer.json
index 1e3e64d..e6dfc50 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
     "wyrihaximus/test-utilities": "^6.0.7"
   },
   "require-dev": {
-    "react/promise-timer": "^1.10.0"
+    "react/promise-timer": "^1.11.0"
   },
   "conflict": {
     "composer/compoer": "<2.6.0"
diff --git a/composer.lock b/composer.lock
index 24588de..cb561f1 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": "5cc40f00dd32213b2307b223818f195b",
+    "content-hash": "ba747c9b56d9b56babcd1ea7464f459e",
     "packages": [
         {
             "name": "amphp/amp",
@@ -11201,25 +11201,25 @@
     "packages-dev": [
         {
             "name": "react/promise-timer",
-            "version": "v1.10.0",
+            "version": "v1.11.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/reactphp/promise-timer.git",
-                "reference": "4cb85c1c2125390748e3908120bb82feb99fe766"
+                "reference": "4f70306ed66b8b44768941ca7f142092600fafc1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/reactphp/promise-timer/zipball/4cb85c1c2125390748e3908120bb82feb99fe766",
-                "reference": "4cb85c1c2125390748e3908120bb82feb99fe766",
+                "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": "^9.5 || ^5.7 || ^4.8.35"
+                "phpunit/phpunit": "^9.6 || ^5.7 || ^4.8.36"
             },
             "type": "library",
             "autoload": {
@@ -11268,7 +11268,7 @@
             ],
             "support": {
                 "issues": "https://github.com/reactphp/promise-timer/issues",
-                "source": "https://github.com/reactphp/promise-timer/tree/v1.10.0"
+                "source": "https://github.com/reactphp/promise-timer/tree/v1.11.0"
             },
             "funding": [
                 {
@@ -11276,7 +11276,7 @@
                     "type": "open_collective"
                 }
             ],
-            "time": "2023-07-20T15:40:28+00:00"
+            "time": "2024-06-04T14:27:45+00:00"
         }
     ],
     "aliases": [],