diff --git a/build-constraints.yaml b/build-constraints.yaml
index 5a52a2fc..7ac88de4 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2811,6 +2811,7 @@ packages:
         - exp-pairs
         - fast-digits
         - bit-stream
+        - quadratic-irrational
 
     "Ashley Yakeley <ashley@semantic.org> @AshleyYakeley":
         - countable