diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index dc323f61..0ce51ab7 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -68,7 +68,7 @@ repos:
   # Ruff is a code style and formatter
   # It works on files in-place
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.15.7
+    rev: v0.15.9
     hooks:
     - id: ruff-check
       name: ruff
@@ -90,7 +90,7 @@ repos:
   # The project's documentation can be found at:
   # https://mypy.readthedocs.io/en/stable/index.html
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.19.1
+    rev: v1.20.0
     hooks:
     - id: mypy
       exclude: ^tests/.*$
diff --git a/oteapi/models/genericconfig.py b/oteapi/models/genericconfig.py
index f685602a..d582318e 100644
--- a/oteapi/models/genericconfig.py
+++ b/oteapi/models/genericconfig.py
@@ -9,7 +9,7 @@
 from pydantic.fields import PydanticUndefined
 
 if TYPE_CHECKING:  # pragma: no cover
-    from typing import Any
+    from typing import Any, cast
 
 
 class AttrDict(BaseModel, MutableMapping):  # noqa: PLW1641
@@ -103,6 +103,10 @@ def update(  # type: ignore[override]
     ) -> None:
         if other and isinstance(other, Mapping):
             for key, value in other.items():
+                if not isinstance(key, str):
+                    raise TypeError(
+                        "Keys must be of type `str`, not " f"`{type(key).__name__}`."
+                    )
                 setattr(self, key, value)
         elif other and isinstance(other, BaseModel):
             for key, value in other:
@@ -117,7 +121,11 @@ def update(  # type: ignore[override]
                     raise ValueError(
                         "`other` must be an iterable of objects of length two."
                     )
-            for key, value in other:  # type: ignore[misc]
+
+            if TYPE_CHECKING:  # pragma: no cover
+                other = cast(Iterable[tuple[str, Any]], other)
+
+            for key, value in other:
                 setattr(self, key, value)
         elif other:
             raise TypeError(
diff --git a/pyproject.toml b/pyproject.toml
index 8230491e..be49acaf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -110,6 +110,9 @@ exclude = [
     ".codecov.yml",
 ]
 
+[tool.black]
+target-version = ["py310","py311","py312","py313"]
+
 [tool.mypy]
 python_version = "3.10"
 ignore_missing_imports = true