diff --git a/build-constraints.yaml b/build-constraints.yaml
index d45400d3..4414c68a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1344,7 +1344,7 @@ packages:
         - language-protobuf
 
     "Flavio Corpa <flaviocorpa@gmail.com> @kutyel":
-        - language-avro
+        - language-avro < 0 # avro-0.5.0.0 https://github.com/commercialhaskell/stackage/issues/5262
 
     "Matvey Aksenov <matvey.aksenov@gmail.com> @supki":
         - terminal-size