diff --git a/.github/workflows/pipeline.yml b/.github/workflows/pipeline.yml
index 7b8af32..43620be 100644
--- a/.github/workflows/pipeline.yml
+++ b/.github/workflows/pipeline.yml
@@ -18,7 +18,7 @@ jobs:
       with:
         fetch-depth: 0
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v5.3.0
+      uses: actions/setup-python@v5.4.0
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index e8712f1..c3327ac 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -12,5 +12,5 @@ jobs:
       SKIP: no-commit-to-branch
     steps:
     - uses: actions/checkout@v4
-    - uses: actions/setup-python@v5.3.0
+    - uses: actions/setup-python@v5.4.0
     - uses: pre-commit/action@v3.0.1
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8e76246..8cf643a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,7 +21,7 @@ jobs:
       with:
         fetch-depth: 0
     - name: Set up Python
-      uses: actions/setup-python@v5.3.0
+      uses: actions/setup-python@v5.4.0
       with:
         python-version: 3.11
     - name: Install dependencies
diff --git a/mcbackend/core.py b/mcbackend/core.py
index 6f627e7..294cd99 100644
--- a/mcbackend/core.py
+++ b/mcbackend/core.py
@@ -4,7 +4,8 @@
 
 import collections
 import logging
-from typing import Dict, List, Mapping, Optional, Sequence, Sized, TypeVar, Union, cast
+from collections.abc import Sized
+from typing import Dict, List, Mapping, Optional, Sequence, TypeVar, Union, cast
 
 import numpy