diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index da3e556..944bfbe 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -4,22 +4,22 @@ fail_fast: false
 
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v5.0.0
+    rev: v6.0.0
     hooks:
       - id: end-of-file-fixer
       - id: trailing-whitespace
-  - repo: https://github.com/psf/black
-    rev: 24.8.0
+  - repo: https://github.com/psf/black-pre-commit-mirror
+    rev: 25.12.0
     hooks:
       - id: black
         args: [--line-length=128, --verbose]
   - repo: https://github.com/PyCQA/flake8
-    rev: 7.1.1
+    rev: 7.3.0
     hooks:
       - id: flake8
         args: [--max-line-length=128, '--exclude=./.*,build,dist,official*,torch_ecg,references,*.ipynb', '--ignore=E501,W503,E203,F841,E402,E231', --count, --statistics, --show-source]
   - repo: https://github.com/pycqa/isort
-    rev: 5.13.2
+    rev: 7.0.0
     hooks:
       - id: isort
         args: [--profile=black, --line-length=128]
diff --git a/CPSC2020_challenge.py b/CPSC2020_challenge.py
index c1b0970..057d2c1 100644
--- a/CPSC2020_challenge.py
+++ b/CPSC2020_challenge.py
@@ -1,5 +1,4 @@
-"""
-"""
+""" """
 
 import math
 import time
diff --git a/cfg.py b/cfg.py
index d8b2248..5d62651 100644
--- a/cfg.py
+++ b/cfg.py
@@ -1,5 +1,4 @@
-"""
-"""
+""" """
 
 import os
 from copy import deepcopy
diff --git a/data_reader.py b/data_reader.py
index 4f776a8..19333ef 100644
--- a/data_reader.py
+++ b/data_reader.py
@@ -1,5 +1,4 @@
-"""
-"""
+""" """
 
 import argparse
 import logging
diff --git a/metrics.py b/metrics.py
index 1207477..76272cd 100644
--- a/metrics.py
+++ b/metrics.py
@@ -1,5 +1,4 @@
-"""
-"""
+""" """
 
 from numbers import Real
 from typing import Any, List, Optional, Sequence, Tuple, Union
diff --git a/metrics_test.py b/metrics_test.py
index 72f5037..ad4c356 100644
--- a/metrics_test.py
+++ b/metrics_test.py
@@ -1,5 +1,4 @@
-"""
-"""
+""" """
 
 from typing import Any, List, Optional, Tuple, Union
 
diff --git a/model.py b/model.py
index 9720957..d2c3170 100644
--- a/model.py
+++ b/model.py
@@ -1,5 +1,4 @@
-"""
-"""
+""" """
 
 import sys
 from copy import deepcopy
diff --git a/phase_one_legacy/CPSC2020_challenge.py b/phase_one_legacy/CPSC2020_challenge.py
index 11ef968..7a78bdf 100644
--- a/phase_one_legacy/CPSC2020_challenge.py
+++ b/phase_one_legacy/CPSC2020_challenge.py
@@ -1,5 +1,4 @@
-"""
-"""
+""" """
 
 from numbers import Real
 from typing import Tuple
diff --git a/phase_one_legacy/CPSC2020_challenge_test.py b/phase_one_legacy/CPSC2020_challenge_test.py
index 77cf680..a848fdc 100644
--- a/phase_one_legacy/CPSC2020_challenge_test.py
+++ b/phase_one_legacy/CPSC2020_challenge_test.py
@@ -1,5 +1,4 @@
-"""
-"""
+""" """
 
 import argparse
 import os
diff --git a/phase_one_legacy/cfg.py b/phase_one_legacy/cfg.py
index 1ddc9e7..f38685e 100644
--- a/phase_one_legacy/cfg.py
+++ b/phase_one_legacy/cfg.py
@@ -1,5 +1,4 @@
-"""
-"""
+""" """
 
 import os
 from copy import deepcopy
diff --git a/phase_one_legacy/data_reader.py b/phase_one_legacy/data_reader.py
index 3287bde..58b8599 100644
--- a/phase_one_legacy/data_reader.py
+++ b/phase_one_legacy/data_reader.py
@@ -1,5 +1,4 @@
-"""
-"""
+""" """
 
 import argparse
 import logging
diff --git a/phase_one_legacy/models/dl_models/train_model_dl.py b/phase_one_legacy/models/dl_models/train_model_dl.py
index 37a15a1..49880fd 100644
--- a/phase_one_legacy/models/dl_models/train_model_dl.py
+++ b/phase_one_legacy/models/dl_models/train_model_dl.py
@@ -1,5 +1,4 @@
-"""
-"""
+""" """
 
 import os
 import sys
diff --git a/phase_one_legacy/models/load_model.py b/phase_one_legacy/models/load_model.py
index 72bf02a..f6895c0 100644
--- a/phase_one_legacy/models/load_model.py
+++ b/phase_one_legacy/models/load_model.py
@@ -1,5 +1,4 @@
-"""
-"""
+""" """
 
 import os
 import pickle
diff --git a/saved_models/__init__.py b/saved_models/__init__.py
index 29a1bb5..1814372 100644
--- a/saved_models/__init__.py
+++ b/saved_models/__init__.py
@@ -1,5 +1,4 @@
-"""
-"""
+""" """
 
 import os
 from typing import Optional, Tuple, Union
diff --git a/signal_processing/__init__.py b/signal_processing/__init__.py
index c0f6f28..bc68a39 100644
--- a/signal_processing/__init__.py
+++ b/signal_processing/__init__.py
@@ -1,2 +1 @@
-"""
-"""
+""" """
diff --git a/train.py b/train.py
index 9f10bad..9648b96 100644
--- a/train.py
+++ b/train.py
@@ -1,5 +1,4 @@
-"""
-"""
+""" """
 
 import argparse
 import logging