diff --git a/bento.info b/bento.info
index acdb155d..b1169244 100644
--- a/bento.info
+++ b/bento.info
@@ -51,6 +51,9 @@ Library:
     Extension: skimage.measure._moments
         Sources:
             skimage/measure/_moments.pyx
+    Extension: skimage.measure._marching_cubes_cy
+        Sources:
+            skimage/measure/_marching_cubes_cy.pyx
     Extension: skimage.graph._mcp
         Sources:
             skimage/graph/_mcp.pyx