diff --git a/.github/workflows/sphinx_doc.yml b/.github/workflows/sphinx_doc.yml
index 3199170..eaf1c29 100644
--- a/.github/workflows/sphinx_doc.yml
+++ b/.github/workflows/sphinx_doc.yml
@@ -2,6 +2,7 @@ name: Sphinx Build
 
 # Controls when the workflow will run
 on:
+  workflow_dispatch:
   # Triggers the workflow on push or pull request events but only for the main branch
   push:
     paths: 'doc/**'