diff --git a/pyproject.toml b/pyproject.toml
index 7606278..a361338 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,6 +29,7 @@ classifiers = [
 ]
 dynamic = ["version"]
 dependencies = [
+  "eval_type_backport",
   "hydra-core",
   "plumbum",
   "prefect",