diff --git a/build-constraints.yaml b/build-constraints.yaml
index 91986515..62169f57 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1759,7 +1759,7 @@ packages:
         - simple-cabal
         - simple-cmd
         - simple-cmd-args
-        - stack-all
+        - stack-all < 0 # https://github.com/commercialhaskell/stackage/issues/6508
         - stack-clean-old
 
         - async-pool