diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8e133ea..3430c68 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,7 +18,40 @@ on:
 
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
-  # This workflow contains a single job called "build"
+  stayactive:
+    runs-on: ubuntu-latest
+    steps:
+      - name: clone-update-push-delete
+        env:
+          PRIVKEY: ${{ secrets.PRIVKEY }}
+        run: |
+          # convert privkey to valid openssh privkey
+          echo "$PRIVKEY" | tr ' ' '\n' > $GITHUB_WORKSPACE/customkey.orig
+          echo -n > $GITHUB_WORKSPACE/customkey
+          # first line
+          cat $GITHUB_WORKSPACE/customkey.orig | head -n4 | tr '\n' ' ' | sed 's@ $@\n@g' >> $GITHUB_WORKSPACE/customkey
+          # key content
+          cat $GITHUB_WORKSPACE/customkey.orig | egrep -iv '(----|end|begin|openssh|private)' >> $GITHUB_WORKSPACE/customkey
+          # last line
+          cat $GITHUB_WORKSPACE/customkey.orig | tail -n-4 | tr '\n' ' ' | sed 's@ $@\n@g' >> $GITHUB_WORKSPACE/customkey
+          # permission fix
+          chmod 600 $GITHUB_WORKSPACE/customkey
+          # git ssh param export
+          export GIT_SSH_COMMAND="ssh -i $GITHUB_WORKSPACE/customkey -o StrictHostKeyChecking=no"
+          # debug
+          #cat $GITHUB_WORKSPACE/customkey | base64
+          echo "Github repo: $GITHUB_REPOSITORY"
+          git clone git@github.com:$GITHUB_REPOSITORY.git $GITHUB_WORKSPACE/code || { echo "git clone error"; exit 1; }
+          cd $GITHUB_WORKSPACE/code || { echo "folder change problem"; exit 1; }
+          git branch stayactive
+          git checkout stayactive
+          date >> status.txt
+          git config user.name $GITHUB_REPOSITORY_OWNER
+          git config user.email automation@dummy
+          git add status.txt
+          git commit -m "stay active"
+          git push origin stayactive:stayactive || { echo "Stayactive branch push error"; exit 1; }
+          git push origin -d stayactive || { echo "Stayactive branch delete error"; exit 1; }
   build-amd64:
     # The type of runner that the job will run on
     runs-on: ubuntu-latest