diff --git a/plugin.sh b/plugin.sh
index d3b1b38..a196bfa 100644
--- a/plugin.sh
+++ b/plugin.sh
@@ -1,6 +1,9 @@
 #!/bin/sh
 
 mkdir -p /root/.ssh
+chmod 800 /root/.ssh
 echo "${PLUGIN_SSH_KEY}" > "/root/.ssh/id_rsa"
+chmod 600 /root/.ssh/id_rsa
 echo "${PLUGIN_SSH_KNOWN_HOSTS}" > "/root/.ssh/known_hosts"
+chmod 600 /root/.ssh/known_hosts
 scp -B ${PLUGIN_EXTRA_FLAGS} ${PLUGIN_SOURCE} ${PLUGIN_DESTINATION}
\ No newline at end of file