diff --git a/pyproject.toml b/pyproject.toml
index 0134b2b4729ad9ec66896e1bfd87e20c155acfcd..88a2e3cb304a6c06877129888bbb1dfcaef69460 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -198,6 +198,8 @@ dout = "dout"
 ue = "ue"
 # used in an ordering context, "ab" / "ba"
 ba = "ba"
+# Fortran Loopy
+floopy = "floopy"
 
 "dependees" = "dependees"