diff --git a/pkgs/development/python-modules/dask-expr/default.nix b/pkgs/development/python-modules/dask-expr/default.nix
index 14364c864281..750ef7613197 100644
--- a/pkgs/development/python-modules/dask-expr/default.nix
+++ b/pkgs/development/python-modules/dask-expr/default.nix
@@ -21,16 +21,16 @@
 
 buildPythonPackage rec {
   pname = "dask-expr";
-  version = "1.1.10";
+  version = "1.1.11";
   pyproject = true;
 
-  disabled = pythonOlder "3.9";
+  disabled = pythonOlder "3.10";
 
   src = fetchFromGitHub {
     owner = "dask";
     repo = "dask-expr";
     rev = "refs/tags/v${version}";
-    hash = "sha256-z/+0d/mcC51rXfSCkVosc2iJ9SKHuKlPO+n/+SisQBg=";
+    hash = "sha256-D26b8HkcRqsMuzSTZdmDmS59dlAbj4F93kfY27UAhKw=";
   };
 
   postPatch = ''
diff --git a/pkgs/development/python-modules/dask/default.nix b/pkgs/development/python-modules/dask/default.nix
index 69d4f119b6eb..0aa358b334af 100644
--- a/pkgs/development/python-modules/dask/default.nix
+++ b/pkgs/development/python-modules/dask/default.nix
@@ -40,16 +40,16 @@
 let
   self = buildPythonPackage rec {
     pname = "dask";
-    version = "2024.8.0";
+    version = "2024.8.1";
     pyproject = true;
 
-    disabled = pythonOlder "3.9";
+    disabled = pythonOlder "3.10";
 
     src = fetchFromGitHub {
       owner = "dask";
       repo = "dask";
       rev = "refs/tags/${version}";
-      hash = "sha256-u8rkay2c4gr3IVShGD6z0FfHkIiUvQwDpl8U6B0JsEM=";
+      hash = "sha256-ztB5T8VFc1WoQB7lWQlonAyq7duqft9OE5FYvmjZd48=";
     };
 
     build-system = [ setuptools ];