diff --git a/build-constraints.yaml b/build-constraints.yaml
index 34691f83..0b830be2 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7984,3 +7984,5 @@ non-parallel-builds:
 - gogol-compute
 - idris
 - amazonka-ec2
+- massiv-persist
+- massiv-serialise