diff --git a/.github/workflows/deploy-docs.yml b/.github/workflows/deploy-docs.yml
index 97c07beb..3d16bd73 100644
--- a/.github/workflows/deploy-docs.yml
+++ b/.github/workflows/deploy-docs.yml
@@ -13,5 +13,6 @@ jobs:
         with:
           python-version: 3.x
           key: ${{ secrets.VPS_SSH }}
+          known_hosts: ${{ secrets.KNOWN_HOSTS }}
       - run: pip install mkdocs-material
       - run: mkdocs build -d distribute && cd distribute/ && ssh root@139.199.77.130 rm -rf /var/www/docs_v2/\* && scp -r ./* root@139.199.77.130:/var/www/docs_v2/