diff --git a/semantic-conventions/dev-requirements.txt b/semantic-conventions/dev-requirements.txt
index cb4c272b..74523836 100644
--- a/semantic-conventions/dev-requirements.txt
+++ b/semantic-conventions/dev-requirements.txt
@@ -1,5 +1,5 @@
 black==24.10.0
-mypy==1.11.2
+mypy==1.12.1
 pytest==8.3.2
 flake8==7.1.1
 pylint==3.2.7