diff --git a/build-constraints.yaml b/build-constraints.yaml
index 52d33575..df1f0ccf 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -14,7 +14,7 @@ packages:
         - socket
         - spacecookie
         - gopher-proxy
-        - filepath-bytestring
+        - filepath-bytestring < 1.4.2.1.10 # https://github.com/commercialhaskell/stackage/issues/6355
         - download-curl
         - cabal2nix
         - distribution-nixpkgs