diff --git a/environment.yml b/environment.yml
index f08245fbc..63c08a0a3 100644
--- a/environment.yml
+++ b/environment.yml
@@ -3,7 +3,7 @@ channels:
   - conda-forge
   - defaults
 dependencies:
-  - python=3.8
+  - python=3.9
   - pip
   - pytest
   - pip: