diff --git a/build-constraints.yaml b/build-constraints.yaml
index 04f2cc70..4b56646c 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7952,10 +7952,10 @@ packages:
         - singletons-th < 3.5
 
         # https://github.com/commercialhaskell/stackage/issues/7611
-        # th-desugar < 1.18
+        - th-desugar < 1.18
 
         # https://github.com/commercialhaskell/stackage/issues/7627
-        - hosc < 0.21
+        # hosc < 0.21
 
         # https://github.com/commercialhaskell/stackage/issues/7635
         - singletons-base < 3.5