diff --git a/build-constraints.yaml b/build-constraints.yaml
index 91c7d4d3..420ee7bf 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -241,7 +241,7 @@ packages:
         - dbmigrations
         - text-zipper
         - vty
-
+        
     "Chris Done":
         - ace
         - check-email
@@ -424,7 +424,11 @@ packages:
 
     "Trevor L. McDonell <tmcdonell@cse.unsw.edu.au>":
         - accelerate
-
+        
+    "Liam O'Connor <liamoc@cse.unsw.edu.au>":
+        - patches-vector
+        - composition-tree
+        
     "Dan Burton <danburton.email@gmail.com>":
         - hspec-jenkins
         - yesod-gitrev