diff --git a/build-constraints.yaml b/build-constraints.yaml
index 6630a740..36454d22 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3625,6 +3625,9 @@ packages:
         # https://github.com/haskell-compat/base-compat/issues/56
         - base-compat < 0.10.2
 
+        # https://github.com/commercialhaskell/stackage/issues/3796
+        - trifecta < 2
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of