diff --git a/build-constraints.yaml b/build-constraints.yaml
index 9932f13b..980c2580 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -44,6 +44,7 @@ packages:
         - JuicyPixels-repa
         - cereal-conduit
         - binary-conduit
+        - lzma-conduit
 
     "FP Complete michael@fpcomplete.com @snoyberg":
         - alex