diff --git a/build-constraints.yaml b/build-constraints.yaml
index f4ba5276..088ef05b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2812,6 +2812,7 @@ packages:
         - exp-pairs
         - fast-digits
         - bit-stream
+        - quadratic-irrational
 
     "Ashley Yakeley <ashley@semantic.org> @AshleyYakeley":
         - countable