diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2ae3064d..fe9bde90 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7,9 +7,14 @@ cabal-format-version: "2.0"
 
 # Constraints for brand new builds
 packages:
+
+    "Phil de Joux <phil.dejoux@blockscope.com> @philderbeast":
+        - siggy-chardust
+
     "Matthew Ahrens <matt.p.ahrens@gmail.com> @mpahrens":
         - forkable-monad
         - butter
+        
     "Iris Ward <aditu.venyhandottir@gmail.com> @AdituV":
         - typenums