diff --git a/MANIFEST b/MANIFEST
index e48376de8..08d04a8eb 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -56,6 +56,7 @@ t/arcs.t
 t/clean_polylines.t
 t/clipper.t
 t/collinear.t
+t/combineinfill.t
 t/custom_gcode.t
 t/dynamic.t
 t/fill.t