diff --git a/build-constraints.yaml b/build-constraints.yaml
index 00804553..eb5e8b2a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1154,6 +1154,12 @@ packages:
         - iso639
         - murmur-hash
         - monoidal-containers
+        - regex-pcre
+        - string-combinators
+        - string-class
+        - SHA
+        - data-ordlist
+        - cron
 
     "Rob O'Callahan ropoctl@gmail.com":
         - pipes-fastx