diff --git a/environment.yml b/environment.yml
index 69ad65a..5873df9 100644
--- a/environment.yml
+++ b/environment.yml
@@ -2,7 +2,7 @@ channels:
 - conda-forge
 dependencies:
 - python=3.11
-- pyiron_base=0.9.7
+- pyiron_base=0.9.11
 - qe=7.2
 - qe-tools=2.0.0
 - ase=3.23.0