diff --git a/.ci_support/environment-notebooks.yml b/.ci_support/environment-notebooks.yml
index 067848fc..673e015c 100644
--- a/.ci_support/environment-notebooks.yml
+++ b/.ci_support/environment-notebooks.yml
@@ -6,5 +6,6 @@ dependencies:
   - lammps
   - phonopy =2.21.0
   - pyiron_atomistics =0.3.5
+  - pyiron_base =0.6.8
   - pyiron-data =0.0.24
   - numpy =1.26.0
\ No newline at end of file