diff --git a/build-constraints.yaml b/build-constraints.yaml
index 21764d64..125c098d 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2228,6 +2228,9 @@ packages:
 
     "Christoph Breitkopf <chbreitkopf@gmail.com> @bokesan":
         - IntervalMap
+        
+    "Konstantin Zudov <co@zudov.me> @zudov":
+        - barrier
 
     "Michele Lacchia <michelelacchia@gmail.com> @rubik":
         - docopt