diff --git a/recipes/pulsar_phase/env.yml b/recipes/pulsar_phase/env.yml
index 746de30..4d44158 100644
--- a/recipes/pulsar_phase/env.yml
+++ b/recipes/pulsar_phase/env.yml
@@ -1,4 +1,4 @@
-#Declare your specific environment
+# Declare your specific environment
 name: pulsar-gammapy
 
 channels:
@@ -7,6 +7,8 @@ channels:
 dependencies:
   - gammapy=1.0.2
   - python=3.9
+  - scipy<1.12
+  - jupyter
   - pip
   - pip:
       - pint-pulsar~=0.9.3