diff --git a/devtools/sella_environment.yml b/devtools/sella_environment.yml
index 720b7310ba..8c84f67fb7 100644
--- a/devtools/sella_environment.yml
+++ b/devtools/sella_environment.yml
@@ -2,11 +2,11 @@ name: sella_env
 channels:
   - conda-forge
 dependencies:
-  - python=3.7
+  - python>=3.8
   - xtb-python
   - pyyaml
   - pandas
   - ncurses
   - pip:
-    - sella==2.2.1
-  
\ No newline at end of file
+    - sella
+    - typing-extensions