diff --git a/pkgs/development/python-modules/ray/default.nix b/pkgs/development/python-modules/ray/default.nix
index 7af71b0ccbf2..e9092858650a 100644
--- a/pkgs/development/python-modules/ray/default.nix
+++ b/pkgs/development/python-modules/ray/default.nix
@@ -21,7 +21,7 @@
   watchfiles,
 
   # optional-dependencies
-  # adag
+  # cgraph
   cupy,
   # client
   grpcio,
@@ -41,6 +41,7 @@
   smart-open,
   virtualenv,
   # observability
+  memray,
   opentelemetry-api,
   opentelemetry-sdk,
   opentelemetry-exporter-otlp,
@@ -48,7 +49,7 @@
   dm-tree,
   gymnasium,
   lz4,
-  scikit-image,
+  # ormsgpack,
   scipy,
   typer,
   rich,
@@ -64,7 +65,7 @@
 
 let
   pname = "ray";
-  version = "2.40.0";
+  version = "2.41.0";
 in
 buildPythonPackage rec {
   inherit pname version;
@@ -76,9 +77,9 @@ buildPythonPackage rec {
     let
       pyShortVersion = "cp${builtins.replaceStrings [ "." ] [ "" ] python.pythonVersion}";
       binary-hashes = {
-        cp310 = "sha256-9uqxHchJD4jnjgaqZFkFslnN4foDsV6EJhVcR4K6C74=";
-        cp311 = "sha256-cXEcvywVYhP9SbD5zJMYCnukJBEAcKNL3qPcCVJ/Md8=";
-        cp312 = "sha256-Z0dVgU9WkjBsVUytvCQBWvgj3AUW40ve8kzKydemVuM=";
+        cp310 = "sha256-OTLW2zqJgsUZbbCM9W4u0L9QuFaFCM/khr6N5jui2V0=";
+        cp311 = "sha256-//XpzFpTgV07WGomHjS9D+8cMkss3tTJuOeQ4ePcOZc=";
+        cp312 = "sha256-PXassHD6i9Tr2wEazfoiu4m9vps1+3iuxZgdt26sK2A=";
       };
     in
     fetchPypi {
@@ -109,11 +110,12 @@ buildPythonPackage rec {
   ];
 
   optional-dependencies = rec {
-    adag = [
-      cupy
-    ];
+    adag = cgraph;
     air = lib.unique (data ++ serve ++ tune ++ train);
     all = lib.flatten (builtins.attrValues optional-dependencies);
+    cgraph = [
+      cupy
+    ];
     client = [ grpcio ];
     data = [
       fsspec
@@ -135,6 +137,7 @@ buildPythonPackage rec {
       virtualenv
     ];
     observability = [
+      memray
       opentelemetry-api
       opentelemetry-sdk
       opentelemetry-exporter-otlp
@@ -143,8 +146,8 @@ buildPythonPackage rec {
       dm-tree
       gymnasium
       lz4
+      # ormsgpack
       pyyaml
-      scikit-image
       scipy
       typer
       rich