diff --git a/build-constraints.yaml b/build-constraints.yaml
index 64e25d83..b88bdf63 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1238,6 +1238,9 @@ packages:
         # https://github.com/fpco/stackage/issues/701
         - shelly < 1.6.3
 
+        # https://github.com/fpco/stackage/issues/703
+        - warp < 3.1
+
 # Package flags are applied to individual packages, and override the values of
 # global-flags
 package-flags: