diff --git a/build-constraints.yaml b/build-constraints.yaml
index 25c91ef6..c44131f4 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2888,7 +2888,7 @@ packages:
         - async-timer
         - nakadi-client
         - throttle-io-stream
-        # - conduit-throttle  # https://github.com/mtesseract/conduit-throttle/issues/9
+        - conduit-throttle
 
     "Simon Hafner <hafnersimon@gmail.com> @reactormonk":
         - uri-bytestring-aeson