diff --git a/build-constraints.yaml b/build-constraints.yaml
index 1cf190b7..22b46b2a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2700,7 +2700,7 @@ packages:
         - apecs-gloss
         - apecs-physics
         - aeson-commit
-        - calligraphy
+        - calligraphy < 0 # https://github.com/jonascarpay/calligraphy/issues/15
         - js-chart
         - tasty-focus