diff --git a/.github/workflows/build-gex.yml b/.github/workflows/build-gex.yml
index 938324a..80758b9 100644
--- a/.github/workflows/build-gex.yml
+++ b/.github/workflows/build-gex.yml
@@ -5,6 +5,7 @@ on:
     branches: [ "main" ]
   pull_request:
     branches: [ "main" ]
+  workflow_dispatch: {}
 
 jobs:
   build: