diff --git a/environment.yml b/environment.yml
index 6ced495..43afe19 100644
--- a/environment.yml
+++ b/environment.yml
@@ -13,8 +13,8 @@ dependencies:
   - pyyaml # needed to read astropy ecsv file
   - matplotlib>=3.4
   - sherpa
-  - cubepy=<1.0.2
   - pre-commit
   - pip:
     - agnpy
     - gammapy
+    - cubepy<=1.0.2