diff --git a/build-constraints.yaml b/build-constraints.yaml
index 908a8b53..9161d46f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -905,8 +905,7 @@ packages:
         - cabal-sort
         - ghcjs-codemirror
         - ghcjs-dom
-        # https://github.com/ghcjs/jsaddle/issues/9
-        #- jsaddle
+        - jsaddle
         - leksah-server
         - ltk
         - vado