diff --git a/build-constraints.yaml b/build-constraints.yaml
index 10699b1f..c44facf4 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1160,6 +1160,10 @@ packages:
     "Robert Massaioli robertmassaioli@gmail.com":
         - range
 
+    "Yuval Langer yuval.langer@gmail.com":
+        - blubber-client
+        - blubber-server
+
     "Stackage upper bounds":
         # https://github.com/fpco/stackage/issues/537
         - zlib < 0.6