diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 1594f0d..2747247 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -17,13 +17,13 @@ repos:
           - id: yamlfmt
 
     - repo: https://github.com/psf/black
-      rev: 23.12.1
+      rev: 24.3.0
       hooks:
           - id: black
             language_version: python3 # Should be a command that runs python3.6+
 
     - repo: https://github.com/PyCQA/flake8
-      rev: 6.1.0
+      rev: 7.0.0
       hooks:
           - id: flake8
             args: [--count, --show-source, --statistics]
@@ -40,12 +40,12 @@ repos:
             args: [--profile, black, --filter-files]
 
     - repo: https://github.com/sirosen/check-jsonschema
-      rev: 0.27.3
+      rev: 0.28.1
       hooks:
           - id: check-github-workflows
 
     - repo: https://github.com/asottile/pyupgrade
-      rev: v3.15.0
+      rev: v3.15.2
       hooks:
           - id: pyupgrade
             args: [--py37-plus]
diff --git a/aiidalab_eln/base_connector.py b/aiidalab_eln/base_connector.py
index f075681..fe96311 100644
--- a/aiidalab_eln/base_connector.py
+++ b/aiidalab_eln/base_connector.py
@@ -1,4 +1,5 @@
 """Module that defines the base class for ELN connetors."""
+
 import ipywidgets as ipw
 import traitlets