diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8bf735d..3643192 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -2,10 +2,11 @@ name: release
 
 on:
   schedule:
-    - cron: '0,15,30,45 * * * *'  # This schedule runs every night at midnight UTC
+    - cron: '0,15,30,45 * * * *'  # schedule nightly build daily at midnight UTC
   push:
     tags:
-      - "v*.*.*"
+      - "v*.*.*"                  # normal release
+      - "nightly"                 # allow triggering nightly build manually
 
 jobs:
   nightly: