diff --git a/build-constraints.yaml b/build-constraints.yaml
index 8dd690a8..cc2197be 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3564,7 +3564,7 @@ packages:
         - massiv-test
         - massiv-serialise
         - massiv-persist
-        - scheduler < 2.0.0 # https://github.com/commercialhaskell/stackage/issues/6144
+        - scheduler
         - Color
         - safe-decimal
         - flush-queue
@@ -6703,6 +6703,13 @@ packages:
       # https://github.com/commercialhaskell/stackage/issues/6122
       - mmorph < 1.2
 
+      # https://github.com/commercialhaskell/stackage/issues/6144
+      - scheduler < 2.0.0 # https://github.com/commercialhaskell/stackage/issues/6144
+      - massiv < 1.0.0.0
+      - massiv-io < 1.0.0.0
+      - massiv-persist < 1.0.0.0
+      - massiv-serialise < 1.0.0.0
+      - massiv-test < 1.0.0.0
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of