diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index 80021f1..ba06a37 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-latest, macos-13, windows-latest]
         python-version: ["3.8", "3.10"]
     defaults:
       run:
@@ -28,7 +28,7 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Set up conda
-      uses: conda-incubator/setup-miniconda@v2
+      uses: conda-incubator/setup-miniconda@v3
       with:
         python-version: ${{ matrix.python-version }}
         auto-update-conda: true
diff --git a/oommfc/drivers/driver.py b/oommfc/drivers/driver.py
index 78e13e2..a77f534 100644
--- a/oommfc/drivers/driver.py
+++ b/oommfc/drivers/driver.py
@@ -21,8 +21,13 @@ def __init__(self, **kwargs):
             self.autoselect_evolver = True
 
     @abc.abstractmethod
-    def _checkargs(self, **kwargs):
-        """Abstract method for checking arguments."""
+    def _checkargs(self, kwargs) -> dict:
+        """Check drive keyword arguments.
+
+        This method can also update keyword arguments where required. It must return
+        a dict of all keyword arguments (initial or modified) that shall be used for the
+        simulation.
+        """
 
     def drive_kwargs_setup(self, drive_kwargs):
         """Additional keyword arguments allowed for drive.
@@ -56,7 +61,7 @@ def drive_kwargs_setup(self, drive_kwargs):
             save additional data. Defaults to ``None``.
 
         """
-        self._checkargs(**drive_kwargs)
+        drive_kwargs = self._checkargs(drive_kwargs)
         drive_kwargs.setdefault("fixed_subregions", None)
         drive_kwargs.setdefault("output_step", False)
         drive_kwargs.setdefault("n_threads", None)
@@ -98,7 +103,7 @@ def schedule_kwargs_setup(self, schedule_kwargs):
             save additional data. Defaults to ``None``.
 
         """
-        self._checkargs(**schedule_kwargs)
+        schedule_kwargs = self._checkargs(schedule_kwargs)
         schedule_kwargs.setdefault("fixed_subregions", None)
         schedule_kwargs.setdefault("output_step", False)
         schedule_kwargs.setdefault("compute", None)
diff --git a/oommfc/drivers/hysteresisdriver.py b/oommfc/drivers/hysteresisdriver.py
index 69a2fc5..7aa8ba3 100644
--- a/oommfc/drivers/hysteresisdriver.py
+++ b/oommfc/drivers/hysteresisdriver.py
@@ -58,7 +58,7 @@ class HysteresisDriver(Driver):
         "report_wall_time",
     ]
 
-    def _checkargs(self, **kwargs):
+    def _checkargs(self, kwargs):
         Hmin, Hmax, n = kwargs["Hmin"], kwargs["Hmax"], kwargs["n"]
         for i in [Hmin, Hmax]:
             if not isinstance(i, (list, tuple, np.ndarray)):
@@ -73,6 +73,7 @@ def _checkargs(self, **kwargs):
         if n - 1 <= 0:  # OOMMF counts steps, not points (n -> n-1)
             msg = f"Cannot drive with {n=}."
             raise ValueError(msg)
+        return kwargs
 
     def _check_system(self, system):
         """Checks the system has energy in it"""
diff --git a/oommfc/drivers/mindriver.py b/oommfc/drivers/mindriver.py
index 413d275..a04b9aa 100644
--- a/oommfc/drivers/mindriver.py
+++ b/oommfc/drivers/mindriver.py
@@ -56,8 +56,8 @@ class MinDriver(Driver):
         "report_wall_time",
     ]
 
-    def _checkargs(self, **kwargs):
-        pass  # no kwargs should be checked
+    def _checkargs(self, kwargs):
+        return kwargs  # no kwargs should be checked
 
     def _check_system(self, system):
         """Checks the system has energy in it"""
diff --git a/oommfc/drivers/timedriver.py b/oommfc/drivers/timedriver.py
index 328cdef..3df8070 100644
--- a/oommfc/drivers/timedriver.py
+++ b/oommfc/drivers/timedriver.py
@@ -55,7 +55,7 @@ class TimeDriver(Driver):
         "report_wall_time",
     ]
 
-    def _checkargs(self, **kwargs):
+    def _checkargs(self, kwargs):
         t, n = kwargs["t"], kwargs["n"]
         if t <= 0:
             msg = f"Cannot drive with {t=}."
@@ -66,6 +66,7 @@ def _checkargs(self, **kwargs):
         if n <= 0:
             msg = f"Cannot drive with {n=}."
             raise ValueError(msg)
+        return kwargs
 
     def _check_system(self, system):
         """Checks the system has dynamics in it"""