diff --git a/build-constraints.yaml b/build-constraints.yaml
index e265fce0..69b2a8a2 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1118,7 +1118,7 @@ packages:
         - ghc-events < 0 # build failure with GHC 8.4
         - monad-extras
         - optparse-simple
-        - hpack
+        - hpack < 0.29.1 # test failures sol/hpack#302
         - bindings-uname
         - stack < 9.9.9 # see https://github.com/fpco/stackage/issues/3563