diff --git a/pyproject.toml b/pyproject.toml
index 767b0aca..603b3e27 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,6 +44,9 @@ dev = [
     "s3fs",
     "types-ujson",
     "xarray",
+    "cfgrib",
+    "scipy",
+    "netcdf4"
 ]
 
 [project.urls]