diff --git a/src/dav_general_mat/NEED b/src/dav_general_mat/NEED
index e69de29b..71828e2c 100644
--- a/src/dav_general_mat/NEED
+++ b/src/dav_general_mat/NEED
@@ -0,0 +1,2 @@
+determinants
+davidson_keywords