diff --git a/.drone.yml b/.drone.yml
index a7af196..7e5abb5 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -23,7 +23,7 @@ steps:
     - hugo-official
 
 - name: freeze
-  image: appleboy/drone-ssh
+  image: appleboy/drone-ssh:1.5.5
   settings:
     host:
       from_secret: ssh_host
@@ -50,7 +50,7 @@ steps:
       from_secret: ssh_username
 
 - name: cleanup
-  image: appleboy/drone-ssh
+  image: appleboy/drone-ssh:1.5.5
   settings:
     host:
       from_secret: ssh_host