diff --git a/.github/workflows/cross-build.yml b/.github/workflows/cross-build.yml
index 771f5f7f4..828904f7c 100644
--- a/.github/workflows/cross-build.yml
+++ b/.github/workflows/cross-build.yml
@@ -3,6 +3,7 @@ name: RISC V and PowerPC 64
 on:
   schedule:
     - cron: '0 0 */2 * *'
+  workflow_dispatch:
 
 permissions:
   contents: read