diff --git a/pkgs/development/python-modules/dask-expr/default.nix b/pkgs/development/python-modules/dask-expr/default.nix
index b7130a40ceb9..4e9de770a193 100644
--- a/pkgs/development/python-modules/dask-expr/default.nix
+++ b/pkgs/development/python-modules/dask-expr/default.nix
@@ -20,14 +20,14 @@
 
 buildPythonPackage rec {
   pname = "dask-expr";
-  version = "1.1.14";
+  version = "1.1.15";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "dask";
     repo = "dask-expr";
     rev = "refs/tags/v${version}";
-    hash = "sha256-yDNkIATN6AuGzcxTwAQyaQaDQ48v45hTC2fUqEThl/g=";
+    hash = "sha256-b5nY3srMADzYZ0GYCeyUfxhJLm7E4dTbM7qrsCR9d7A=";
   };
 
   postPatch = ''
diff --git a/pkgs/development/python-modules/dask/default.nix b/pkgs/development/python-modules/dask/default.nix
index d26caf858cd0..e47ced4264ab 100644
--- a/pkgs/development/python-modules/dask/default.nix
+++ b/pkgs/development/python-modules/dask/default.nix
@@ -39,14 +39,14 @@
 let
   self = buildPythonPackage rec {
     pname = "dask";
-    version = "2024.9.0";
+    version = "2024.9.1";
     pyproject = true;
 
     src = fetchFromGitHub {
       owner = "dask";
       repo = "dask";
       rev = "refs/tags/${version}";
-      hash = "sha256-CaTxhYT2diFOBylLH36iIR1ooWzi2e/RNOnvc11DtDY=";
+      hash = "sha256-lbWV6qgLQ8itJsnz7ojrgfrO12+AwNe1/DJvxBo5A+Q=";
     };
 
     build-system = [ setuptools ];
diff --git a/pkgs/development/python-modules/distributed/default.nix b/pkgs/development/python-modules/distributed/default.nix
index 4df88aaf493d..063d30ca405f 100644
--- a/pkgs/development/python-modules/distributed/default.nix
+++ b/pkgs/development/python-modules/distributed/default.nix
@@ -28,14 +28,14 @@
 
 buildPythonPackage rec {
   pname = "distributed";
-  version = "2024.9.0";
+  version = "2024.9.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "dask";
     repo = "distributed";
     rev = "refs/tags/${version}";
-    hash = "sha256-jzifqTGHAto+7LExUs0kSd8852EfELEL8acSElXlEx0=";
+    hash = "sha256-UDfa59o+3RVN3QppoUamScdcH8XGOB+KAxArI5w7x6M=";
   };
 
   postPatch = ''