diff --git a/build-constraints.yaml b/build-constraints.yaml
index 40d6e9e0..e41f554f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3677,6 +3677,7 @@ skipped-tests:
     - hackage-security # Cabal 2.0
     - ed25519 # QuickCheck, hlint and more
     - hpio # https://github.com/fpco/stackage/issues/2926
+    - validation # https://github.com/fpco/stackage/issues/2949
 
 # end of skipped-tests