diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index 8480c17a3..f5ffa3e44 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -15,7 +15,7 @@ dependencies:
 - pandas =2.2.1
 - phonopy =2.22.1
 - pint =0.23
-- pyiron_base =0.8.0
+- pyiron_base =0.8.1
 - pylammpsmpi =0.2.15
 - pyscal =2.10.18
 - scikit-learn =1.4.1.post1
diff --git a/pyproject.toml b/pyproject.toml
index 3b6d1f46a..bdce83e5a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ dependencies = [
     "pandas==2.2.1",
     "phonopy==2.22.1",
     "pint==0.23",
-    "pyiron_base==0.8.0",
+    "pyiron_base==0.8.1",
     "pylammpsmpi==0.2.15",
     "scipy==1.12.0",
     "scikit-learn==1.4.1.post1",