diff --git a/build-constraints.yaml b/build-constraints.yaml
index 3e7ceb3f..d9ca7d26 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3463,6 +3463,9 @@ packages:
         # https://github.com/fpco/stackage/issues/3619
         - transformers-compat < 0.6.2
 
+        # https://github.com/fpco/stackage/issues/3620
+        - tasty < 1.1
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of