diff --git a/build-constraints.yaml b/build-constraints.yaml
index bdd2551e..5dd27ae2 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7875,6 +7875,11 @@ packages:
         - copilot-prettyprinter < 4.8
         - copilot-theorem < 4.8
 
+        # https://github.com/commercialhaskell/stackage/issues/8072
+        - synthesizer-core < 0.9
+        - synthesizer-dimensional < 0.9
+        - synthesizer-midi < 0.7
+
     # end of Stackage upper bounds
 # end of packages