diff --git a/build-constraints.yaml b/build-constraints.yaml
index 4b799c74..2d3eb35f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2758,7 +2758,7 @@ packages:
         - protolude
         - repline
         - picosat
-        - aos-signature
+        - aos-signature < 0 # Build failure commercialhaskell/stackage#4119
         - bulletproofs
         - pedersen-commitment
         - merkle-tree