diff --git a/.github/workflows/imgcmp.yml b/.github/workflows/imgcmp.yml
index eb72ca0..8d108ba 100644
--- a/.github/workflows/imgcmp.yml
+++ b/.github/workflows/imgcmp.yml
@@ -2,6 +2,8 @@ name: imgcmp
 on:
   schedule:
     - cron: "0 0 * * 1" # Weekly build
+   workflow_dispatch:
+
 jobs:
   imgcmp:
     if: ${{ startsWith(github.head_ref, 'actions/imgcmp/') != true }}