diff --git a/packages/typespec-python/dev_requirements.txt b/packages/typespec-python/dev_requirements.txt
index 7f984f3a40..056a6017d9 100644
--- a/packages/typespec-python/dev_requirements.txt
+++ b/packages/typespec-python/dev_requirements.txt
@@ -7,7 +7,7 @@ colorama==0.4.6
 debugpy==1.8.12
 pytest==8.3.4
 coverage==7.6.1
-black==24.8.0
+black==26.3.1
 ptvsd==4.3.2
 types-PyYAML==6.0.12.20241230