diff --git a/build-constraints.yaml b/build-constraints.yaml
index a951aeb9..56a564d0 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3633,9 +3633,6 @@ 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
@@ -3839,6 +3836,7 @@ skipped-tests:
     - superbuffer # QuickCheck-2.11.3
     - tar # QuickCheck-2.11.3, tasty-quickcheck, base-4.11.1
     - text # QuickCheck-2.11.3
+    - tree-diff # trifecta 2
     - vector # QuickCheck-2.11.3
     - vector-builder # tasty-quickcheck, tasty-hunit, tasty, foldl
     - zlib # tasty-quickcheck, tasty-hunit, tasty