diff --git a/requirements-test.in b/requirements-test.in
index 49cfbe2634c27..e1af3219bd4ba 100644
--- a/requirements-test.in
+++ b/requirements-test.in
@@ -13,7 +13,7 @@ einops # required for MPT, qwen-vl and Mamba
 httpx
 librosa # required for audio tests
 peft
-ray[adag]==2.39.0
+ray[adag]==2.40.0
 sentence-transformers # required for embedding tests
 soundfile # required for audio tests
 timm # required for internvl test
diff --git a/requirements-test.txt b/requirements-test.txt
index 65695111e4dc5..343213da4b082 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -420,7 +420,7 @@ pyyaml==6.0.2
     #   ray
     #   timm
     #   transformers
-ray[adag]==2.35.0
+ray[adag]==2.40.0
     # via -r requirements-test.in
 redis==5.2.0
     # via tensorizer
diff --git a/vllm/executor/ray_gpu_executor.py b/vllm/executor/ray_gpu_executor.py
index b2b7e17ed38ab..86d635645a0a4 100644
--- a/vllm/executor/ray_gpu_executor.py
+++ b/vllm/executor/ray_gpu_executor.py
@@ -422,7 +422,7 @@ def _check_ray_adag_installation(self):
         import pkg_resources
         from packaging import version
 
-        required_version = version.parse("2.39")
+        required_version = version.parse("2.40")
         current_version = version.parse(
             pkg_resources.get_distribution("ray").version)
         if current_version < required_version: