diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index eefdc12..3fc7cb7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,11 +14,8 @@ jobs:
     name: Build
     strategy:
       matrix:
-        python-version:
-          - ${{ vars.ARCALOT_PYTHON_VERSION }}
-          - '3.10'
-          - 'pypy3.9'
-    runs-on: ubuntu-22.04
+        python-version: ${{ fromJSON(vars.ARCALOT_PYTHON_SUPPORTED_VERSIONS) }}
+    runs-on: ubuntu-24.04
     steps:
       - name: Check out code
         uses: actions/checkout@v4
diff --git a/pyproject.toml b/pyproject.toml
index 489e79a..2287462 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,7 @@ homepage = "https://github.com/arcalot/arcaflow-plugin-sdk-python"
 "Bug Tracker" = "https://github.com/arcalot/arcaflow-plugin-sdk-python/issues"
 
 [tool.poetry.dependencies]
-python = "^3.9"
+python = "^3.12"
 cbor2 = "~5.6.0"
 PyYAML = "~6.0.1"
 
diff --git a/src/arcaflow_plugin_sdk/schema.py b/src/arcaflow_plugin_sdk/schema.py
index 3e25b5e..4c57812 100644
--- a/src/arcaflow_plugin_sdk/schema.py
+++ b/src/arcaflow_plugin_sdk/schema.py
@@ -3416,8 +3416,8 @@ def unserialize(
         :param data: the raw data.
         :param path: the list of structural elements that lead to this point
             for error messages.
-        :return: the advanced datatype. :raise ConstraintException: if the
-            passed data was not valid.
+        :return: the advanced datatype.
+        :raise ConstraintException: if the passed data was not valid.
         """
         pass
 
@@ -3428,8 +3428,8 @@ def validate(self, data: TypeT, path: typing.Tuple[str] = tuple([])):
 
         :param data: the unserialized data.
         :param path: the path that lead to this validation call, in order to
-            produce a nice error message :raise ConstraintException: if the
-            passed data was not valid.
+            produce a nice error message
+        :raise ConstraintException: if the passed data was not valid.
         """
 
     @abstractmethod
@@ -3442,8 +3442,8 @@ def serialize(
         :param data: the underlying data type to be serialized.
         :param path: the list of structural elements that lead to this point
             for error messages.
-        :return: the raw datatype. :raise ConstraintException: if the passed
-            data was not valid.
+        :return: the raw datatype.
+        :raise ConstraintException: if the passed data was not valid.
         """
         pass