diff --git a/build-constraints.yaml b/build-constraints.yaml
index 87de9243..5ce54b32 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1884,7 +1884,7 @@ packages:
         - named-text
         - sayable
         - tasty-checklist
-        - tasty-sugar
+        - tasty-sugar < 0 # internally needs kvitable https://github.com/kquick/kvitable/issues/7
         - units
         - units-defs
         # Ogma and dependency