diff --git a/docs/src/conf.py b/docs/src/conf.py
index 50574dac..c31c455e 100644
--- a/docs/src/conf.py
+++ b/docs/src/conf.py
@@ -73,7 +73,7 @@ def setup(app):
     "metatomic": ("https://docs.metatensor.org/metatomic/latest/", None),
     "numpy": ("https://numpy.org/doc/stable/", None),
     "torch": ("https://pytorch.org/docs/stable/", None),
-    "ase": ("https://wiki.fysik.dtu.dk/ase/", None),
+    "ase": ("https://docs.ase-lib.org/", None),
 }
 
 html_theme = "furo"
diff --git a/python/vesin/pyproject.toml b/python/vesin/pyproject.toml
index 7f9f5882..6d5540da 100644
--- a/python/vesin/pyproject.toml
+++ b/python/vesin/pyproject.toml
@@ -63,4 +63,6 @@ filterwarnings = [
     "ignore:`torch.jit.script` is deprecated. Please switch to `torch.compile` or `torch.export`:DeprecationWarning",
     "ignore:`torch.jit.save` is deprecated. Please switch to `torch.export`:DeprecationWarning",
     "ignore:`torch.jit.load` is deprecated. Please switch to `torch.export`:DeprecationWarning",
+    # from ASE
+    "ignore:Setting the shape on a NumPy array has been deprecated in NumPy 2.5:DeprecationWarning",
 ]
diff --git a/tox.ini b/tox.ini
index fe8bdd5c..d83a9401 100644
--- a/tox.ini
+++ b/tox.ini
@@ -18,6 +18,8 @@ lint-folders = python setup.py
 package = external
 package_env = build-vesin
 
+# this warning fires when collecting tests and seemingly can not be
+# supressed by the code in pyproject.toml, so we add it as a CLI flag
 test_args = -W "ignore:`torch.jit.script` is not supported in Python 3.14+ and may break:DeprecationWarning"
 packaging_deps =
     cmake