diff --git a/build-constraints.yaml b/build-constraints.yaml
index 50e890bf1..75110e2b6 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -8579,6 +8579,9 @@ packages:
 
         # https://github.com/commercialhaskell/stackage/issues/7610
         - singletons-th < 3.5
+
+        # https://github.com/commercialhaskell/stackage/issues/7611
+        - th-desugar < 1.18
     # end of Stackage upper bounds
 # end of packages