diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2ffedc0a..b39ddcd0 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3829,6 +3829,7 @@ packages:
         - FailT
         - mempack
         - ImpSpec
+        - cuddle
 
     "Hans-Peter Deifel <hpd@hpdeifel.de> @hpdeifel":
         - hledger-iadd < 0 # https://github.com/commercialhaskell/stackage/issues/7887