diff --git a/pyproject.toml b/pyproject.toml
index edb0312c0..7e324290e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ dependencies = [
     "pandas==2.2.3",
     "phonopy==2.26.6",
     "pint==0.24.4",
-    "pyiron_base==0.10.8",
+    "pyiron_base==0.10.9",
     "pyiron_snippets==0.1.4",
     "pylammpsmpi==0.2.26",
     "pyscal3==3.2.7",