diff --git a/build-constraints.yaml b/build-constraints.yaml
index a7d224ea..1de784e0 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -996,6 +996,7 @@ packages:
         - fakedata-parser
         - fakedata-quickcheck
         - streamly-bytestring
+        - crypton-conduit
 
     "haskell-openal @svenpanne":
         - OpenAL