diff --git a/build-constraints.yaml b/build-constraints.yaml
index 54c54c9c..caad370a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1840,9 +1840,9 @@ packages:
         - pipes-network-tls
         - safe-money
         - vector-bytes-instances
-        - xmlbf-xeno
-        - xmlbf-xmlhtml
-        - xmlbf < 0.7 # https://github.com/fosskers/servant-xml/issues/6
+        - xmlbf-xeno    < 0.2.2      # https://github.com/fosskers/servant-xml/issues/6
+        - xmlbf-xmlhtml < 0.2.2      # https://github.com/fosskers/servant-xml/issues/6
+        - xmlbf         < 0.7        # https://github.com/fosskers/servant-xml/issues/6
 
     "Tomas Carnecky @wereHamster":
         - avers