diff --git a/environment.yml b/environment.yml
index 005c0b9cf..b191c3297 100644
--- a/environment.yml
+++ b/environment.yml
@@ -47,4 +47,3 @@ dependencies:
     - smt==1.2.0
     - streamlit==1.14.0
     - streamlit-autorefresh
-    - altair==4.4.2