diff --git a/build-constraints.yaml b/build-constraints.yaml
index 66dae923..08caebbd 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1232,7 +1232,7 @@ packages:
         - microformats2-parser
         - hspec-expectations-pretty-diff
         - wai-cli
-        - magicbane
+        # - magicbane # https://github.com/myfreeweb/magicbane/issues/9
 
     "Francesco Mazzoli <f@mazzo.li> @bitonic":
         - language-c-quote