diff --git a/pyproject.toml b/pyproject.toml
index 1032632..5695764 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,6 +52,7 @@ dynamic = [
 dependencies = [
   "anemoi-datasets[data]>=0.3.3",
   "anemoi-utils>=0.3.6",
+  "hydra-core==1.3",
   "torch>=2.2",
   "torch-geometric>=2.3.1,<2.5",
 ]