diff --git a/build-constraints.yaml b/build-constraints.yaml
index 29989e04..72883626 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5096,6 +5096,9 @@ packages:
       - pdfinfo < 0 # via process-extra
       - tasty-silver < 0 # via process-extras
       - hoogle < 0 # via process-extra
+
+      # https://github.com/commercialhaskell/stackage/issues/5808
+      - conferer < 1.0.0.0
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of