diff --git a/migrations/20240626184736_publish_collab_4.sql b/migrations/20240626184736_publish_collab_4.sql
new file mode 100644
index 00000000..f2a5b62a
--- /dev/null
+++ b/migrations/20240626184736_publish_collab_4.sql
@@ -0,0 +1,6 @@
+-- Add a unique constraint on publish_name
+ALTER TABLE public.af_published_collab
+ADD CONSTRAINT unique_publish_name UNIQUE (publish_name);
+
+-- Add an index on publish_name
+CREATE INDEX idx_publish_name ON public.af_published_collab (publish_name);