diff --git a/pkgs/development/python-modules/dask-expr/default.nix b/pkgs/development/python-modules/dask-expr/default.nix
index 68dca5fe42fe..8a13311116c7 100644
--- a/pkgs/development/python-modules/dask-expr/default.nix
+++ b/pkgs/development/python-modules/dask-expr/default.nix
@@ -15,7 +15,7 @@
 
 buildPythonPackage rec {
   pname = "dask-expr";
-  version = "1.0.12";
+  version = "1.1.0";
   pyproject = true;
 
   disabled = pythonOlder "3.9";
@@ -24,7 +24,7 @@ buildPythonPackage rec {
     owner = "dask";
     repo = "dask-expr";
     rev = "refs/tags/v${version}";
-    hash = "sha256-B/BkLOZhvUyjinaFKp0ecUfzvLb5S90q+YHmJwS6WSQ=";
+    hash = "sha256-yVwaOOjxHVxAhFlEENnjpX8LbJs9MW0OOmwAH5RhPgE=";
   };
 
   postPatch = ''
diff --git a/pkgs/development/python-modules/dask/default.nix b/pkgs/development/python-modules/dask/default.nix
index 0327aebaaf84..8de709f446c9 100644
--- a/pkgs/development/python-modules/dask/default.nix
+++ b/pkgs/development/python-modules/dask/default.nix
@@ -39,7 +39,7 @@
 
 let self = buildPythonPackage rec {
   pname = "dask";
-  version = "2024.4.2";
+  version = "2024.5.0";
   pyproject = true;
 
   disabled = pythonOlder "3.9";
@@ -48,7 +48,7 @@ let self = buildPythonPackage rec {
     owner = "dask";
     repo = "dask";
     rev = "refs/tags/${version}";
-    hash = "sha256-iD+diwctXaQlOpL0fjOiFoWVONtlMq7AonbC0vCmXc0=";
+    hash = "sha256-2tkY02Inhpo8upTjhen//EvsZwd93roPCID215NOxwQ=";
   };
 
   nativeBuildInputs = [
@@ -191,5 +191,6 @@ let self = buildPythonPackage rec {
     homepage = "https://dask.org/";
     changelog = "https://docs.dask.org/en/latest/changelog.html";
     license = licenses.bsd3;
+    maintainers = with maintainers; [ GaetanLepage ];
   };
 }; in self