diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index bc698d8..660637a 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -5,7 +5,7 @@ dependencies:
 - coverage
 - codacy-coverage
 - ipywidgets =8.1.0
-- pyiron_base =0.6.3
+- pyiron_base =0.6.4
 - pyiron_atomistics =0.3.1
 - numpy =1.24.3
 - pandas =2.0.3
diff --git a/setup.py b/setup.py
index ba02c08..e0430c2 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,7 @@
     keywords='pyiron',
     packages=find_packages(exclude=["*tests*", "*docs*", "*binder*", "*conda*", "*notebooks*", "*.ci_support*"]),
     install_requires=[
-        'pyiron_base==0.6.3',
+        'pyiron_base==0.6.4',
         'pyiron_atomistics==0.3.1',
         'ipywidgets==8.1.0',
         'matplotlib==3.7.2',