diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9170261..b992a7f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -2,6 +2,12 @@ name: build
 
 on:
   workflow_call:
+    inputs:
+      ref:
+        description: Branch or tag to checkout
+        required: false
+        default: teaser-2026
+        type: string
     secrets:
       USER_AUTH:
         required: true
@@ -17,6 +23,8 @@ jobs:
 
       - name: Checkout code
         uses: actions/checkout@v4
+        with:
+          ref: ${{ inputs.ref }}
 
       - name: Setup Bun
         uses: oven-sh/setup-bun@v2
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9f6a43f..630df8a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -4,10 +4,19 @@ on:
   push:
     branches:
       - main
+  workflow_dispatch:
+    inputs:
+      ref:
+        description: Branch or tag to build and deploy
+        required: false
+        default: teaser-2026
+        type: string
 
 jobs:
   build:
     uses: ./.github/workflows/build.yml
+    with:
+      ref: ${{ github.event_name == 'workflow_dispatch' && inputs.ref || github.ref_name }}
     secrets:
       USER_AUTH: ${{ secrets.USER_AUTH }}