diff --git a/build-constraints.yaml b/build-constraints.yaml
index d021ca68..3e6c210f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -477,7 +477,8 @@ packages:
         - openpgp-asciiarmor
         - MusicBrainz
         - DAV
-        - hopenpgp-tools
+        # https://github.com/fpco/stackage/issues/463
+        #- hopenpgp-tools
 
     # https://github.com/fpco/stackage/issues/160
     "Ketil Malde":