diff --git a/build-constraints.yaml b/build-constraints.yaml
index 4da4b3e7..7acf0a46 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -601,6 +601,7 @@ packages:
         - netlib-comfort-array
         - blas-comfort-array
         - lapack-comfort-array
+        - comfort-blas
         - lapack
         - lapack-hmatrix
         - hmm-lapack