diff --git a/pyproject.toml b/pyproject.toml
index ba314629e..414383487 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,6 +22,9 @@ filterwarnings = [
     'ignore:The `Code` class:aiida.common.warnings.AiidaDeprecationWarning:',
     'ignore:crystal system:UserWarning:ase.io.cif',
     'ignore::DeprecationWarning:ase.atoms',
+    # This popped up in spglib 2.5. Since we still try to support spglib v1,
+    # it's not clear if we can get rid of it.
+    "ignore:dict interface*is deprecated.Use attribute interface*:DeprecationWarning:spglib",
     # TODO: This comes from a transitive dependency of ipyoptimade
     # Remove this when this issue is addressed:
     # https://github.com/CasperWA/ipywidgets-extended/issues/85