diff --git a/build-constraints.yaml b/build-constraints.yaml
index ce3d86e7..74ea02c5 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -589,6 +589,7 @@ packages:
         - comfort-fftw
         - comfort-glpk
         - concurrent-split
+        - countdown-numbers-game
         - cutter
         - data-accessor
         - data-accessor-mtl