diff --git a/client-samples/python/rest/dev-requirements.txt b/client-samples/python/rest/dev-requirements.txt
index 4f8196a..e7ed667 100644
--- a/client-samples/python/rest/dev-requirements.txt
+++ b/client-samples/python/rest/dev-requirements.txt
@@ -1,4 +1,4 @@
-black==25.11.0
+black==25.12.0
 requests-mock==1.12.1
 pytest==9.0.2
 parameterized==0.9.0
\ No newline at end of file