diff --git a/environment.yml b/environment.yml
index b93c111c13c3a64e7c3b71c0077ef1a9824fb6c2..853789bf7b32fbf3804a4f08ab36f7af2cb426a8 100644
--- a/environment.yml
+++ b/environment.yml
@@ -4,9 +4,9 @@ channels:
   - defaults
 dependencies:
   - matplotlib
-  - notebook=6.4.3
+  - notebook=6.4
   - numpy
-  - python=3.9.20
-  - rise=5.7.1
+  - python=3.9
+  - rise
   - scipy
-  - voila=0.5.7
+  - voila