diff --git a/build-constraints.yaml b/build-constraints.yaml
index 119df069..5f9e761f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -862,6 +862,7 @@ packages:
        - dataurl
        - psql-helpers
        - superbuffer
+       - timespan
 
     "Joey Eremondi <joey@eremondi.com> @JoeyEremondi":
         - aeson-pretty