diff --git a/build-constraints.yaml b/build-constraints.yaml
index ad652c2e..b42f0aa4 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1302,6 +1302,9 @@ packages:
     "Brandon Martin <brandon@codedmart.com> @codedmart":
         - engine-io-wai
 
+    "Michael Walker <mike@barrucadu.co.uk> @barrucadu":
+        - both
+
     "Stackage upper bounds":
         # https://github.com/fpco/stackage/issues/537
         - zlib < 0.6