diff --git a/.drone.yml b/.drone.yml
index f8611ab..79349a1 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -6,6 +6,7 @@ steps:
   - name: build
     image: espressif/idf:release-v4.1
     commands:
+      - ssh-keyscan -t rsa git.oit.cloud >> ~/.ssh/known_hosts
       - git submodule update --init
       - if [ -f sdkconfig ]; then
       -   rm sdkconfig