diff --git a/.gitignore b/.gitignore
index f6b52a26..20c40458 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,7 +24,7 @@ dist-ssr
 *.sw?
 *.pyc
 venv/
-
+build
 docs/_build
 
 # python 
diff --git a/pyproject.toml b/pyproject.toml
index c6f9450c..72c069aa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,6 +28,7 @@ dependencies = [
     "matplotlib>=3.7.0",
     "numpy>=1.24.0",
     "plotly>=6.0",
+    "scikit-rf>=1.8.0",
 ]
 
 [project.optional-dependencies]