diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2c0b9e25..805dc2ba 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -711,6 +711,7 @@ packages:
     "Brandon Barker <brandon.barnnker@gmail.com> @bbarker":
         - unexceptionalio
         - unexceptionalio-trans
+        - zio
 
     "Omari Norman <omari@smileystation.com> @massysett":
         - rainbow