diff --git a/build-constraints.yaml b/build-constraints.yaml
index c468da70..a2bdf0f5 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2220,6 +2220,10 @@ packages:
 
         # https://github.com/fpco/stackage/issues/1380
         - Diff < 0.3.3
+
+        # https://github.com/fpco/stackage/issues/1401
+        # test-suite failure
+        - async-dejafu < 0.1.2.0
 # end of packages