diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 56fb24bc0..62fe2ab6c 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -8,7 +8,7 @@ repos:
   - id: check-added-large-files
     args: ["--maxkb=4000"]
 - repo: https://github.com/psf/black-pre-commit-mirror
-  rev: 25.11.0
+  rev: 26.1.0
   hooks:
   - id: black
 - repo: https://github.com/pycqa/isort
@@ -33,7 +33,7 @@ repos:
     #  additional_dependencies: [cpplint==1.6.1]
     #  types_or: [c++]
 - repo: https://github.com/astral-sh/ruff-pre-commit
-  rev: v0.14.5
+  rev: v0.14.14
   hooks:
     - id: ruff
       args: [ "--fix", "--config", "ruff.toml" ]
diff --git a/doc/sphinx_util.py b/doc/sphinx_util.py
index cbdc3cb52..0608b96de 100644
--- a/doc/sphinx_util.py
+++ b/doc/sphinx_util.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 """Helper utilty function for customization."""
+
 import os
 import subprocess
 import sys
diff --git a/tracker/dmlc_tracker/kubernetes.py b/tracker/dmlc_tracker/kubernetes.py
index 371d3d976..aeab92a5e 100644
--- a/tracker/dmlc_tracker/kubernetes.py
+++ b/tracker/dmlc_tracker/kubernetes.py
@@ -4,6 +4,7 @@
 
 One need to make sure kubectl-able.
 """
+
 from __future__ import absolute_import
 
 import yaml
diff --git a/tracker/dmlc_tracker/launcher.py b/tracker/dmlc_tracker/launcher.py
index 36eb89344..dfe1aab58 100755
--- a/tracker/dmlc_tracker/launcher.py
+++ b/tracker/dmlc_tracker/launcher.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python3
 # pylint: disable=invalid-name
 """The container launcher script that launches DMLC with the right env variable."""
+
 from __future__ import absolute_import
 
 import glob
@@ -55,7 +56,7 @@ def main():
     if hadoop_home:
         library_path.append("%s/lib/native" % hdfs_home)
         library_path.append("%s/lib" % hdfs_home)
-        (classpath, _) = subprocess.Popen(
+        classpath, _ = subprocess.Popen(
             "%s/bin/hadoop classpath" % hadoop_home,
             stdout=subprocess.PIPE,
             shell=True,
diff --git a/tracker/dmlc_tracker/mesos.py b/tracker/dmlc_tracker/mesos.py
index 8714d410b..a089fc144 100644
--- a/tracker/dmlc_tracker/mesos.py
+++ b/tracker/dmlc_tracker/mesos.py
@@ -4,6 +4,7 @@
 
 One need to make sure all slaves machines are ssh-able.
 """
+
 from __future__ import absolute_import
 
 import json
diff --git a/tracker/dmlc_tracker/mpi.py b/tracker/dmlc_tracker/mpi.py
index 1c4e5acc2..a5fbd8842 100644
--- a/tracker/dmlc_tracker/mpi.py
+++ b/tracker/dmlc_tracker/mpi.py
@@ -26,7 +26,7 @@ def get_mpi_env(envs):
         return cmd
 
     # decide MPI version.
-    (out, err) = subprocess.Popen(
+    out, err = subprocess.Popen(
         ["mpirun", "--version"], stdout=subprocess.PIPE, stderr=subprocess.PIPE
     ).communicate()
     if b"Open MPI" in out:
diff --git a/tracker/dmlc_tracker/opts.py b/tracker/dmlc_tracker/opts.py
index 907a11e6f..049e6b78c 100644
--- a/tracker/dmlc_tracker/opts.py
+++ b/tracker/dmlc_tracker/opts.py
@@ -1,5 +1,6 @@
 # pylint: disable=invalid-name
 """Command line options of job submission script."""
+
 import argparse
 import os
 
@@ -317,7 +318,7 @@ def get_opts(args=None):
         type=int,
         help=("Number of attempt local tracker can restart slave."),
     )
-    (args, unknown) = parser.parse_known_args(args)
+    args, unknown = parser.parse_known_args(args)
     args.command += unknown
 
     if args.cluster is None:
diff --git a/tracker/dmlc_tracker/ssh.py b/tracker/dmlc_tracker/ssh.py
index 4ca72a895..37c7885d3 100644
--- a/tracker/dmlc_tracker/ssh.py
+++ b/tracker/dmlc_tracker/ssh.py
@@ -4,6 +4,7 @@
 
 One need to make sure all slaves machines are ssh-able.
 """
+
 from __future__ import absolute_import
 
 import logging
@@ -98,7 +99,7 @@ def run(prog):
         # launch jobs
         for i in range(nworker + nserver):
             pass_envs["DMLC_ROLE"] = "server" if i < nserver else "worker"
-            (node, port) = hosts[i % len(hosts)]
+            node, port = hosts[i % len(hosts)]
             pass_envs["DMLC_NODE_HOST"] = node
             prog = (
                 get_env(pass_envs)
diff --git a/tracker/dmlc_tracker/yarn.py b/tracker/dmlc_tracker/yarn.py
index 7547de275..a4d34f2ca 100755
--- a/tracker/dmlc_tracker/yarn.py
+++ b/tracker/dmlc_tracker/yarn.py
@@ -55,13 +55,13 @@ def yarn_submit(args, nworker, nserver, pass_env):
         ), "failed to build dmlc-yarn.jar, try it manually"
 
     # detech hadoop version
-    (out, _) = subprocess.Popen(
+    out, _ = subprocess.Popen(
         "%s version" % hadoop_binary, shell=True, stdout=subprocess.PIPE
     ).communicate()
     out = py_str(out).split("\n")[0].split()
     assert out[0] == "Hadoop", "cannot parse hadoop version string"
     hadoop_version = int(out[1].split(".")[0])
-    (classpath, _) = subprocess.Popen(
+    classpath, _ = subprocess.Popen(
         "%s classpath" % hadoop_binary, shell=True, stdout=subprocess.PIPE
     ).communicate()
     classpath = py_str(classpath).strip()