diff --git a/build-constraints.yaml b/build-constraints.yaml
index f46721ab..eaf8cc38 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -6876,8 +6876,9 @@ packages:
       - heaps < 0.4
 
       # https://github.com/commercialhaskell/stackage/issues/5878
-      # hashable < 1.3.1.0
-      # mmark < 0.0.7.3
+      - hashable < 1.3.1.0
+      - mmark < 0.0.7.3
+      - tomland < 1.3.3
 
       # https://github.com/commercialhaskell/stackage/issues/5881
       - optics < 0.4