diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0f83fb0a..893e7179 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1615,6 +1615,7 @@ packages:
 
     "Sergey Alirzaev <zl29ah@gmail.com> @l29ah":
         - monad-peel
+        - NineP
         # GHC 8 - Network-NineP
 
     "Oliver Charles <ollie@ocharles.org.uk> @ocharles":