diff --git a/build-constraints.yaml b/build-constraints.yaml
index 88469278d..7e179ac0d 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -137,6 +137,7 @@ packages:
         - netrc
         - equivalence
         - tokenize
+        - hs-captcha
 
         # Some "grandfathered dependencies" I took over because I contributed to them at some time.
         # Feel free to snatch them from me!