diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index 300dd4eb9..ead3136a2 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -14,7 +14,7 @@ dependencies:
 - numpy =1.21.2
 - pandas =1.3.4
 - phonopy =2.11.0
-- pyiron_base =0.3.7
+- pyiron_base =0.3.8
 - pymatgen =2022.0.14
 - pyscal =2.10.12
 - pytables =3.6.1
diff --git a/notebooks/first_steps.ipynb b/notebooks/first_steps.ipynb
index b9c1f946a..067623068 100644
--- a/notebooks/first_steps.ipynb
+++ b/notebooks/first_steps.ipynb
@@ -579,7 +579,7 @@
    "outputs": [],
    "source": [
     "pr = Project('Al_potentials')\n",
-    "pot_lst = pr['../first_steps/Al_T200K'].load_object().list_potentials()[:3]"
+    "pot_lst = pr['../first_steps/Al_T200K'].to_object().list_potentials()[:3]"
    ]
   },
   {
@@ -727,7 +727,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.7"
+   "version": "3.8.5"
   },
   "latex_envs": {
    "LaTeX_envs_menu_present": true,
@@ -762,4 +762,4 @@
  },
  "nbformat": 4,
  "nbformat_minor": 4
-}
\ No newline at end of file
+}
diff --git a/setup.py b/setup.py
index e51843464..91d97cace 100644
--- a/setup.py
+++ b/setup.py
@@ -40,7 +40,7 @@
         'numpy==1.21.2',
         'pandas==1.3.4',
         'phonopy==2.11.0',
-        'pyiron_base==0.3.7',
+        'pyiron_base==0.3.8',
         'pymatgen==2022.0.14',
         'scipy==1.7.1',
         'seekpath==2.0.1',