diff --git a/build-constraints.yaml b/build-constraints.yaml
index d0363c12..96782a69 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3260,6 +3260,8 @@ packages:
         - partial-order
         - async-timer
         - nakadi-client
+        - throttle-io-stream
+        - conduit-throttle
 
     "Simon Hafner <hafnersimon@gmail.com> @reactormonk":
         - uri-bytestring-aeson