diff --git a/build-constraints.yaml b/build-constraints.yaml
index 1fd20945..04ba737f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -745,6 +745,9 @@ packages:
         # https://github.com/d12frosted/CanonicalPath/issues/3
         - system-canonicalpath < 0.3
 
+        # https://github.com/fpco/stackage/issues/440
+        - th-orphans < 0.9
+
 # Package flags are applied to individual packages, and override the values of
 # global-flags
 package-flags: