diff --git a/.github/workflows/update-homebrew.yml b/.github/workflows/update-homebrew.yml
index 96d4565c..c41df133 100644
--- a/.github/workflows/update-homebrew.yml
+++ b/.github/workflows/update-homebrew.yml
@@ -3,6 +3,11 @@ name: Update Homebrew Formula
 on:
   release:
     types: [published]
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: 'Release tag (e.g., v0.22.0)'
+        required: true
 
 permissions:
   contents: read
@@ -19,8 +24,13 @@ jobs:
       - name: Get release info
         id: release
         run: |
-          echo "tag=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
-          echo "version=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT
+          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
+            TAG="${{ github.event.inputs.tag }}"
+          else
+            TAG="${GITHUB_REF#refs/tags/}"
+          fi
+          echo "tag=${TAG}" >> $GITHUB_OUTPUT
+          echo "version=${TAG#v}" >> $GITHUB_OUTPUT
 
       - name: Download checksums
         run: |