diff --git a/bento.info b/bento.info
index 659247d1..93d56188 100644
--- a/bento.info
+++ b/bento.info
@@ -107,6 +107,9 @@ Library:
     Extension: skimage._shared.transform
         Sources:
             skimage/_shared/transform.pyx
+    Extension: skimage._shared._interpolation_test
+        Sources:
+            skimage/_shared/_interpolation_test.pyx
     Extension: skimage.segmentation._slic
         Sources:
             skimage/segmentation/_slic.pyx