diff --git a/build-constraints.yaml b/build-constraints.yaml
index 6f53a6f3..7f4b03e1 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1556,6 +1556,9 @@ packages:
 
     "Christoph Breitkopf <chbreitkopf@gmail.com> @bokesan":
         - IntervalMap
+        
+    "Konstantin Zudov <co@zudov.me> @zudov":
+        - barrier
 
     "Stackage upper bounds":
         # https://github.com/fpco/stackage/issues/537