diff --git a/build-constraints.yaml b/build-constraints.yaml
index 12060b3b..883e5f93 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -904,6 +904,7 @@ packages:
         - cabal-sort
         - ghcjs-codemirror
         - ghcjs-dom
+        - gtksourceview3
         - jsaddle
         - leksah-server
         - ltk