diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2f2cf78..a47e1b7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
           - '3.13'
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up git-annex
       run: |
         sudo apt-get update
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index a45c97f..82b9f0a 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -8,7 +8,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Install Python
         uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 0471c52..e2bf504 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -16,7 +16,7 @@ jobs:
       contents: write
     steps:
     - name: Checkout source
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: Set up Python
       uses: actions/setup-python@v6
       with:
diff --git a/junifer_data/tests/test_utils.py b/junifer_data/tests/test_utils.py
index a570b93..33021d5 100644
--- a/junifer_data/tests/test_utils.py
+++ b/junifer_data/tests/test_utils.py
@@ -45,13 +45,15 @@ def test_check_dataset_hexsha_errors(tmp_path: Path) -> None:
         Pytest fixture that provides a temporary directory.
 
     """
-    with pytest.raises(ValueError, match="Cannot verify hexsha for main tag."):
+    with pytest.raises(
+        ValueError, match=r"Cannot verify hexsha for main tag."
+    ):
         check_dataset(data_dir=tmp_path, hexsha="wrong")
 
     # Now clone the dataset without checking
     check_dataset(data_dir=tmp_path, tag="1")
 
-    with pytest.raises(ValueError, match="Commit verification failed."):
+    with pytest.raises(ValueError, match=r"Commit verification failed."):
         check_dataset(data_dir=tmp_path, tag="1", hexsha="wrong")
 
     # Check with the right hexsha
@@ -73,7 +75,7 @@ def test_check_dataset_hexsha_errors(tmp_path: Path) -> None:
     dataset.repo.add((ds_path / "test.txt").as_posix())
     dataset.repo.commit(msg="update")
 
-    with pytest.raises(ValueError, match="Wrong commit checked out."):
+    with pytest.raises(ValueError, match=r"Wrong commit checked out."):
         check_dataset(data_dir=tmp_path, tag="1")
 
     # Update tag
@@ -84,7 +86,7 @@ def test_check_dataset_hexsha_errors(tmp_path: Path) -> None:
     check_dataset(data_dir=tmp_path, tag="1")
 
     # But does not have the right hexsha
-    with pytest.raises(ValueError, match="Commit verification failed."):
+    with pytest.raises(ValueError, match=r"Commit verification failed."):
         check_dataset(
             data_dir=tmp_path,
             tag="1",