diff --git a/constraints.txt b/constraints.txt
index e0e7576a..3c72a07c 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==2.12.4
+pydantic==2.12.5
 pydantic-core==2.41.5
 pytest==9.0.0
 readme-renderer==44.0