diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7e135510..8d6ca999 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2114,9 +2114,9 @@ packages:
 
     "Kei Hibino <ex8k.hibino@gmail.com> @khibino":
         - relational-query
-        # GHC 8 HDBC - relational-query-HDBC
-        # GHC 8 HDBC - persistable-types-HDBC-pg
-        # GHC 8 HDBC - relational-record
+        - relational-query-HDBC
+        - persistable-types-HDBC-pg
+        - relational-record
         - text-ldap
         - debian-build