diff --git a/build-constraints.yaml b/build-constraints.yaml
index 3f6a56a2..513481d5 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1569,7 +1569,8 @@ packages:
     "Gregory W. Schwartz <gregory.schwartz@drexel.edu> @GregorySchwartz":
         - fasta
         - diversity
-        - modify-fasta
+        # https://github.com/fpco/stackage/pull/1068
+        #- modify-fasta
 
     "Simon Marechal <bartavelle@gmail.com> @bartavelle":
         - compactmap