diff --git a/build-constraints.yaml b/build-constraints.yaml
index ed29fbf8..62584f57 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4615,6 +4615,9 @@ packages:
       - haskeline < 0.8.0
       - structured-cli < 2.6
 
+      # https://github.com/commercialhaskell/stackage/issues/5090
+      - byteslice < 0.2.0.0
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of