diff --git a/pyproject.toml b/pyproject.toml
index ef98eee76..69ecf26b6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ dependencies = [
     "nibabel >= 3.0",
     "niflow-nipype1-workflows",
     "nilearn == 0.10.0",
-    "nipype >= 1.8.5",
+    "nipype[nipy] >= 1.8.5",
     "nitransforms >= 21.0.0",
     "niworkflows ~= 1.7.3",
     "numpy >= 1.17.3",