diff --git a/src/xsdba/_adjustment.py b/src/xsdba/_adjustment.py
index 3fae1ed..0626001 100644
--- a/src/xsdba/_adjustment.py
+++ b/src/xsdba/_adjustment.py
@@ -9,7 +9,7 @@
 from __future__ import annotations
 
 from collections.abc import Sequence
-from typing import Callable
+from collections.abc import Callable
 
 import numpy as np
 import xarray as xr
diff --git a/src/xsdba/base.py b/src/xsdba/base.py
index 9f4e5de..b08fd39 100644
--- a/src/xsdba/base.py
+++ b/src/xsdba/base.py
@@ -9,7 +9,8 @@
 import itertools
 from collections.abc import Sequence
 from inspect import _empty, signature
-from typing import Any, Callable, NewType, TypeVar
+from typing import Any, NewType, TypeVar
+from collections.abc import Callable
 
 import cftime
 import dask.array as dsk
diff --git a/src/xsdba/formatting.py b/src/xsdba/formatting.py
index 325f37d..3407b2a 100644
--- a/src/xsdba/formatting.py
+++ b/src/xsdba/formatting.py
@@ -14,7 +14,8 @@
 from collections.abc import Sequence
 from fnmatch import fnmatch
 from inspect import _empty, signature
-from typing import Any, Callable
+from typing import Any
+from collections.abc import Callable
 
 import xarray as xr
 from boltons.funcutils import wraps
diff --git a/src/xsdba/loess.py b/src/xsdba/loess.py
index 05ef85f..057d400 100644
--- a/src/xsdba/loess.py
+++ b/src/xsdba/loess.py
@@ -5,7 +5,7 @@
 
 from __future__ import annotations
 
-from typing import Callable
+from collections.abc import Callable
 from warnings import warn
 
 import numba
diff --git a/src/xsdba/options.py b/src/xsdba/options.py
index d69b914..c6f6a38 100644
--- a/src/xsdba/options.py
+++ b/src/xsdba/options.py
@@ -6,7 +6,7 @@
 from __future__ import annotations
 
 from inspect import signature
-from typing import Callable
+from collections.abc import Callable
 
 from boltons.funcutils import wraps
 
diff --git a/src/xsdba/utils.py b/src/xsdba/utils.py
index 1cd9b85..05ce4ba 100644
--- a/src/xsdba/utils.py
+++ b/src/xsdba/utils.py
@@ -6,7 +6,7 @@
 from __future__ import annotations
 
 import itertools
-from typing import Callable
+from collections.abc import Callable
 from warnings import warn
 
 import bottleneck as bn
diff --git a/src/xsdba/xclim_submodules/generic.py b/src/xsdba/xclim_submodules/generic.py
index de0c753..3ef0ac0 100644
--- a/src/xsdba/xclim_submodules/generic.py
+++ b/src/xsdba/xclim_submodules/generic.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from typing import Callable
+from collections.abc import Callable
 
 import xarray as xr