diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index cc19f86..1301afc 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -5,7 +5,7 @@ default_install_hook_types:
   - post-rewrite
 repos:
   - repo: https://github.com/astral-sh/uv-pre-commit
-    rev: 0.8.4
+    rev: 0.8.17
     hooks:
       - id: uv-sync
         args: ["--all-groups"]
diff --git a/findmy/util/abc.py b/findmy/util/abc.py
index dedb92c..124af91 100644
--- a/findmy/util/abc.py
+++ b/findmy/util/abc.py
@@ -48,7 +48,7 @@ class Closable(ABC):
 _T = TypeVar("_T", bound=Mapping)
 
 
-class Serializable(Generic[_T], ABC):
+class Serializable(ABC, Generic[_T]):
     """ABC for serializable classes."""
 
     @abstractmethod
diff --git a/findmy/util/session.py b/findmy/util/session.py
index e5b7cba..676e98a 100644
--- a/findmy/util/session.py
+++ b/findmy/util/session.py
@@ -102,7 +102,7 @@ class MixedSessionManager(_BaseSessionManager[Union[Serializable, Closable]]):
         self._add(obj, path)
 
 
-class UniformSessionManager(Generic[_SC], _BaseSessionManager[_SC]):
+class UniformSessionManager(_BaseSessionManager[_SC], Generic[_SC]):
     """Only allows a single type of Serializable object."""
 
     def __init__(self, obj_type: type[_SC]) -> None: