diff --git a/build-constraints.yaml b/build-constraints.yaml
index 9a9b38ef..2f68dce0 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1385,6 +1385,7 @@ packages:
         - hweblib
 
     "Joachim Breitner <mail@joachim-breitner.de> @nomeata":
+        - arbtt
         - circle-packing
         - haskell-spacegoo
         - tasty-expected-failure