diff --git a/build-constraints.yaml b/build-constraints.yaml
index e9791716..e86dd318 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7815,6 +7815,7 @@ packages:
         - eliminators < 0.9.3
         - singletons-base < 3.2
         - singletons-th < 3.2
+        - th-desugar < 1.15
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of