diff --git a/pyproject.toml b/pyproject.toml
index ca2853e..7e47aad 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -57,6 +57,17 @@ dependencies = [
   "torch",
 ]
 
+optional-dependencies.all = [
+  "anemoi-utils>=0.3",
+  "numpy",
+  "pyyaml",
+  "semantic-version",
+  "torch",
+]
+
+optional-dependencies.dev = [
+]
+
 optional-dependencies.docs = [
   "nbsphinx",
   "pandoc",