diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index 5977984..69864fa 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -4,8 +4,8 @@ dependencies:
 - coverage
 - codacy-coverage
 - ipywidgets =8.1.5
-- pyiron_base =0.9.12
-- pyiron_atomistics =0.6.11
+- pyiron_base =0.10.1
+- pyiron_atomistics =0.6.12
 - maggma =0.60.2
 - numpy =1.26.4
 - pandas =2.2.2
diff --git a/.github/workflows/unittests.yml b/.github/workflows/unittests.yml
index 3dd5269..66d8592 100644
--- a/.github/workflows/unittests.yml
+++ b/.github/workflows/unittests.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.10", "3.11", "3.12"]
 
     steps:
     - uses: actions/checkout@v4
diff --git a/setup.py b/setup.py
index 4a66251..00b5ae4 100644
--- a/setup.py
+++ b/setup.py
@@ -32,8 +32,8 @@
     keywords='pyiron',
     packages=find_packages(exclude=["*tests*", "*docs*", "*binder*", "*conda*", "*notebooks*", "*.ci_support*"]),
     install_requires=[
-        'pyiron_base==0.9.12',
-        'pyiron_atomistics==0.6.11',
+        'pyiron_base==0.10.1',
+        'pyiron_atomistics==0.6.12',
         'ipywidgets==8.1.5',
         'matplotlib==3.9.2',
         'nbconvert==7.16.4',