diff --git a/.drone.yml b/.drone.yml
index 3b96e36..4898d67 100755
--- a/.drone.yml
+++ b/.drone.yml
@@ -3,7 +3,7 @@ name: default
 
 steps:
   - name: build
-    image: ruby
+    image: ruby:3.3.6
     commands:
       - gem install bundler:2.2.22
       - bundle install