diff --git a/build-constraints.yaml b/build-constraints.yaml
index 22fec5ff..5616a678 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3987,7 +3987,7 @@ packages:
         #- conferer-snap # Because snap
         - conferer-warp
         - conferer-hspec
-        - conferer-source-json
+        - conferer-aeson
 
     "Tim Humphries <tim+stackage@utf8.me> @thumphries":
         - transformers-either < 0 # via exceptions-0.10.0