diff --git a/constraints.txt b/constraints.txt
index e01ef199..09fceef6 100644
--- a/constraints.txt
+++ b/constraints.txt
@@ -35,7 +35,7 @@ packaging==25.0
 pluggy==1.6.0
 Pygments==2.19.2
 pycparser==2.23
-pydantic==2.11.10
+pydantic==2.12.3
 pydantic-core==2.33.2
 pytest==8.4.2
 readme-renderer==44.0