diff --git a/build-constraints.yaml b/build-constraints.yaml
index 54840190..5ad2fda3 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2157,6 +2157,9 @@ packages:
 
         # https://github.com/fpco/stackage/issues/1321
         - foldl < 1.2.0
+
+        # https://github.com/yesodweb/wai/issues/526
+        - warp < 3.2.4 || > 3.2.4
 # end of packages