diff --git a/environment.yml b/environment.yml
index 1709da9..1da740e 100644
--- a/environment.yml
+++ b/environment.yml
@@ -20,3 +20,4 @@ dependencies:
   - antlr4-python3-runtime==4.13.1 # keep `.github/workflows/update_grammar.yml` in sync
   - click
   - openjdk
+  - compilers