diff --git a/build-constraints.yaml b/build-constraints.yaml
index 9f0f49ae..3e72d97f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2454,6 +2454,7 @@ packages:
     "Elie Genard <elaye.github.io@gmail.com> @eliegenard":
         - turtle-options
         - mushu
+        - hakyll-favicon
 
     # "Ruey-Lin Hsu <petercommand@gmail.com> @petercommand":
         # - MASMGen # bounds: ghc, base