diff --git a/backend/requirements.txt b/backend/requirements.txt
index 80397c6e..43e20a2f 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -18,7 +18,7 @@ packaging==26.0
 pathspec==0.12.1
 pluggy==1.6.0
 pydantic==2.12.5
-pydantic-core==2.33.2
+pydantic-core==2.42.0
 pygments==2.19.2
 pytest==9.0.2
 python-dotenv==1.2.1