diff --git a/build-constraints.yaml b/build-constraints.yaml
index 23d7d7c3..d39f47a0 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -177,8 +177,7 @@ packages:
         - mandrill
 
     "Jon Schoning <jonschoning@gmail.com> @jonschoning":
-        []
-        # - pinboard # BLOCKED aeson 1.0
+        - pinboard
 
     "Jasper Van der Jeugt @jaspervdj":
         - blaze-html