diff --git a/.github/workflows/release_js.yml b/.github/workflows/release_js.yml
index 4f1aee583..8d2228549 100644
--- a/.github/workflows/release_js.yml
+++ b/.github/workflows/release_js.yml
@@ -7,11 +7,18 @@ on:
     paths:
       - "js/package.json"
   workflow_dispatch:
+    inputs:
+      dangerous-non-main-release:
+        required: false
+        type: boolean
+        default: false
+        description: "Release from a non-main branch (danger!)"
+
 
 jobs:
   if_release:
     # Disallow publishing from branches that aren't `main`.
-    if: github.ref == 'refs/heads/main'
+    if: github.ref == 'refs/heads/main' || inputs.dangerous-non-main-release
     runs-on: ubuntu-latest
     permissions:
       contents: write