diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index 2b6566a6..0a22ee17 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -1,19 +1,19 @@
 channels:
-  - conda-forge
+- conda-forge
 dependencies:
-  - ipycanvas
-  - ipython
-  - ipywidgets == 7.*
-  - maggma >= 0.57.1
-  - matplotlib
-  - nglview <= 3.0.9
-  - numpy
-  - owlready2
-  - pandas
-  - pyiron_base
-  - pyiron_atomistics >= 0.2.57
-  - pyiron_gui >= 0.0.8
-  - pyiron_ontology == 0.1.3
-  - ryvencore =0.3.1.1
-  - seaborn
-  - traitlets
+- ipycanvas
+- ipython
+- ipywidgets == 7.*
+- maggma >= 0.57.1
+- matplotlib
+- nglview <= 3.0.9
+- numpy
+- owlready2
+- pandas
+- pyiron_base
+- pyiron_atomistics >= 0.2.57
+- pyiron_gui >= 0.0.8
+- pyiron_ontology == 0.1.3
+- ryvencore =0.3.1.1
+- seaborn
+- traitlets