diff --git a/binder/environment.yml b/binder/environment.yml
index d967071..37f9a94 100644
--- a/binder/environment.yml
+++ b/binder/environment.yml
@@ -11,15 +11,15 @@ channels:
 
 dependencies:
   # runtime dependencies
-  - python >=3.8,<3.9.0a0
+  - python=3.10
   - jupyterlab >=3,<4.0.0a0
   # labextension build dependencies
-  - nodejs >=14,<15
+  - nodejs=18
   - pip
   - wheel
   - ipywidgets
   - ipyflex
-  - voila
+  - voila<0.4.0
   - voila-gridstack
   - ipyleaflet
   - streamlit=1.11.1