diff --git a/environment.yml b/environment.yml
index 853789bf7b32fbf3804a4f08ab36f7af2cb426a8..8b7d3c0597338e896989b91792ae5694e3f477a9 100644
--- a/environment.yml
+++ b/environment.yml
@@ -3,10 +3,8 @@ channels:
   - conda-forge
   - defaults
 dependencies:
+  - python
   - matplotlib
-  - notebook=6.4
   - numpy
-  - python=3.9
-  - rise
   - scipy
-  - voila
+  - rise