diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ed55c68..0b5875e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,7 +30,7 @@ jobs:
     - name: "Set up Python"
       uses: actions/setup-python@v4
       with:
-        python-version: "3.11"
+        python-version: "3.12"
     - name: "Set up private packages SSH keys"
       uses: webfactory/ssh-agent@v0.6.0
       with:
@@ -56,7 +56,7 @@ jobs:
     - name: "Set up Python"
       uses: actions/setup-python@v4
       with:
-        python-version: "3.11"
+        python-version: "3.12"
     - name: "Set up private packages SSH keys"
       uses: webfactory/ssh-agent@v0.6.0
       with:
diff --git a/Dockerfile b/Dockerfile
index cc84551..5c13df9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Base image
-FROM python:3.11-slim
+FROM python:3.12-slim
 
 # Set working directory
 WORKDIR /app
diff --git a/pyproject.toml b/pyproject.toml
index a18f3e1..3360921 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,7 +2,7 @@
 
 [tool.black]
 line-length = 100
-target-version = ['py311']
+target-version = ['py312']
 include = '\.pyi?$'
 exclude = '''
 (
diff --git a/src/api/config/loaders.py b/src/api/config/loaders.py
index bffd46a..00758d6 100644
--- a/src/api/config/loaders.py
+++ b/src/api/config/loaders.py
@@ -5,6 +5,7 @@
 from abc import ABC
 from abc import abstractmethod
 from typing import Any
+from typing import override
 
 
 class ConfigLoader(ABC):
@@ -50,6 +51,7 @@ def _parse_value(data_type: type, name: str, default: Any) -> Any:
         value = data_type(value)
         return value
 
+    @override
     def load_argument(self, data_type: type, name: str, default: Any) -> Any:
         """
         Loads a single argument from the OS env.
@@ -61,6 +63,7 @@ def load_argument(self, data_type: type, name: str, default: Any) -> Any:
 
         return self._parse_value(data_type, name, default)
 
+    @override
     def load_arguments(self, args: dict | tuple) -> dict:
         """
         Recursive function to load multiple arguments from the OS env.