diff --git a/.github/workflows/argocd.yaml b/.github/workflows/argocd.yaml
index 2cf1d17..84a1aa0 100644
--- a/.github/workflows/argocd.yaml
+++ b/.github/workflows/argocd.yaml
@@ -49,18 +49,18 @@ jobs:
         id: slug
     
       - name: checkout argocd repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
         with:
           repository: ${{ inputs.argocd_repo_url }}
           token: ${{ secrets.ARGOCD_GIT_TOKEN }}
           ssh-key: ${{ secrets.ARGOCD_GIT_SSH_KEY }}
-          # ssh-known-hosts: ${{ inputs.ssh_known_hosts }}
+          ssh-known-hosts: ${{ inputs.ssh_known_hosts }}
 
       # - uses: imranismail/setup-kustomize@v2
       #   with:
       #     kustomize-version: '5.7.1'
       # TODO: caching kustomize binary
-      
+
       - name: install kustomize
         run: |
           set -e -x # enable debugging