diff --git a/.github/workflows/update-memcpy.yml b/.github/workflows/update-memcpy.yml
index 120882d..edc5720 100644
--- a/.github/workflows/update-memcpy.yml
+++ b/.github/workflows/update-memcpy.yml
@@ -1,5 +1,6 @@
 name: update-memcpy
 on:
+  workflow_dispatch:
   push:
     branches:
       - master