diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 3a0a2cc3..f818d2d0 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -64,7 +64,6 @@ dependencies = [
     "pyasn1==0.6.4",
     "pyasn1_modules==0.4.2",
     "pydantic==2.14.0",
-    "pydantic_core==2.50.0",
     "Pygments==2.21.0",
     "PyJWT==2.15.1",
     "pymongo==4.19.0",
diff --git a/backend/uv.lock b/backend/uv.lock
index f1e4811e..8f50dd34 100644
--- a/backend/uv.lock
+++ b/backend/uv.lock
@@ -1084,7 +1084,6 @@ dependencies = [
     { name = "pyasn1" },
     { name = "pyasn1-modules" },
     { name = "pydantic" },
-    { name = "pydantic-core" },
     { name = "pygments" },
     { name = "pyjwt" },
     { name = "pymongo" },
@@ -1216,7 +1215,6 @@ requires-dist = [
     { name = "pyasn1", specifier = "==0.6.4" },
     { name = "pyasn1-modules", specifier = "==0.4.2" },
     { name = "pydantic", specifier = "==2.14.0" },
-    { name = "pydantic-core", specifier = "==2.50.0" },
     { name = "pygments", specifier = "==2.21.0" },
     { name = "pyjwt", specifier = "==2.15.1" },
     { name = "pymongo", specifier = "==4.19.0" },