diff --git a/build-constraints.yaml b/build-constraints.yaml
index 8619ed8c..57889955 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2417,8 +2417,7 @@ packages:
     # It will then be disabled if it starts causing problems.
     # See https://github.com/fpco/stackage/issues/1056
     "Abandoned packages":
-        # fails with aeson-0.11 (https://github.com/haskell-suite/haskell-packages/issues/23)
-        #- haskell-packages
+        - haskell-packages
         - curl
         - hse-cpp