diff --git a/build-constraints.yaml b/build-constraints.yaml
index 9c1a20b2..97fc9ec9 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3506,7 +3506,7 @@ packages:
         - xlsx-tabular < 0 # DependencyFailed (PackageName "xlsx")
         - xmonad < 0 # BuildFailureException Process exited with ExitFailure 1: ./Setup build
         - xmonad-contrib < 0 # DependencyFailed (PackageName "xmonad")
-        # xxhash < 0 # BuildFailureException Process exited with ExitFailure 1: ./Setup build
+        - xxhash < 0 # BuildFailureException Process exited with ExitFailure 1: ./Setup build
 
 
         # Transitive failures, reported on https://github.com/fpco/stackage/issues/3394