diff --git a/build-constraints.yaml b/build-constraints.yaml
index a961c32b..c1d2eefd 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -861,6 +861,7 @@ packages:
        - dataurl
        - psql-helpers
        - superbuffer
+       - timespan
 
     "Joey Eremondi <joey@eremondi.com> @JoeyEremondi":
         - aeson-pretty