diff --git a/src/vowel/evals.py b/src/vowel/evals.py
index 4d7cab4..ca885cd 100644
--- a/src/vowel/evals.py
+++ b/src/vowel/evals.py
@@ -19,7 +19,7 @@
     OutputConfig,  # noqa: F401
 )
 
-MONTY_AVAILABLE = bool(importlib.util.find_spec("pydantic-monty"))
+MONTY_AVAILABLE = bool(importlib.util.find_spec("pydantic_monty"))
 
 SAFE_ASSERTION_BUILTINS = {
     "abs": abs,