diff --git a/pyproject.toml b/pyproject.toml
index 04a09173..e89ec750 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,6 @@ dependencies = [
 "dask[complete]",
 "dask-kubernetes",
 "donfig >= 0.7.0",
-"esmf",
 "fsspec",
 "intake",
 "intake-esm >= 2022.9.18",