diff --git a/.github/workflows/pylint.yml b/.github/workflows/pylint.yml
index 555cbef3..6738e466 100644
--- a/.github/workflows/pylint.yml
+++ b/.github/workflows/pylint.yml
@@ -12,9 +12,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         submodules: recursive
+        fetch-depth: 0
     - uses: actions/setup-python@v2
       with:
         python-version: 3.9
diff --git a/gitmodules/partmc b/gitmodules/partmc
index 8598a21e..e6356e77 160000
--- a/gitmodules/partmc
+++ b/gitmodules/partmc
@@ -1 +1 @@
-Subproject commit 8598a21e8a764b7eda312821dbabed9fe82cff7f
+Subproject commit e6356e7739f0aa45d33ef4b07b3a701f79c4305d
diff --git a/tests/test_run_part.py b/tests/test_run_part.py
index 6bc0656e..8ce5d01e 100644
--- a/tests/test_run_part.py
+++ b/tests/test_run_part.py
@@ -252,7 +252,7 @@ def test_run_part_do_freezing(common_args, tmp_path, scheme):
                     "t_max": 3600,
                     "do_immersion_freezing": True,
                     "immersion_freezing_scheme": scheme,
-                    "freezing_rate": -1e-4,
+                    "freezing_rate": 1e-4,
                 }
             )
         else: