diff --git a/build-constraints.yaml b/build-constraints.yaml
index c73e72c1..420429c5 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1908,6 +1908,9 @@ packages:
         # https://github.com/fpco/stackage/issues/1124
         - brick < 0.4
 
+        # https://github.com/fpco/stackage/issues/1128
+        - machines < 0.6
+
 # end of packages