diff --git a/dynamodump/dynamodump.py b/dynamodump/dynamodump.py
index 90f5f41..229fa4b 100755
--- a/dynamodump/dynamodump.py
+++ b/dynamodump/dynamodump.py
@@ -29,7 +29,6 @@
 from urllib.error import URLError, HTTPError
 from urllib.request import urlopen
 
-
 AWS_SLEEP_INTERVAL = 10  # seconds
 BATCH_WRITE_SLEEP_INTERVAL = 0.15  # seconds
 DATA_DIR = "data"
diff --git a/requirements-dev.txt b/requirements-dev.txt
index c16e23e..3630e10 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,4 @@
 -r requirements.txt
-black==25.11.0
+black==26.1.0
 flake8==7.3.0
 pre-commit==4.5.1