diff --git a/.github/workflows/periodic-merge-24h.yml b/.github/workflows/periodic-merge-24h.yml
index 308d9057859ed..9ce6a7c74cc18 100644
--- a/.github/workflows/periodic-merge-24h.yml
+++ b/.github/workflows/periodic-merge-24h.yml
@@ -13,6 +13,7 @@ on:
     # * is a special character in YAML so you have to quote this string
     # Merge every 24 hours
     - cron:  '0 0 * * *'
+  workflow_dispatch:
 
 permissions:
   contents: read
diff --git a/.github/workflows/periodic-merge-6h.yml b/.github/workflows/periodic-merge-6h.yml
index 5d5f86db48f53..f3151ead6a0f3 100644
--- a/.github/workflows/periodic-merge-6h.yml
+++ b/.github/workflows/periodic-merge-6h.yml
@@ -13,6 +13,7 @@ on:
     # * is a special character in YAML so you have to quote this string
     # Merge every 6 hours
     - cron:  '0 */6 * * *'
+  workflow_dispatch:
 
 permissions:
   contents: read