diff --git a/build-constraints.yaml b/build-constraints.yaml
index 42973baf..12e6a4dc 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2348,7 +2348,9 @@ packages:
         - http-common
         - http-streams
         - locators
-        - unbeliever
+        - core-text
+        - core-data
+        - core-program
 
     "Sean Hunt <scshunt@csclub.uwaterloo.ca @scshunt":
         - cheapskate