diff --git a/.rultor.yml b/.rultor.yml
index 34776b5..3c6853a 100644
--- a/.rultor.yml
+++ b/.rultor.yml
@@ -19,7 +19,7 @@
 # SOFTWARE.
 ---
 docker:
-  image: yegor256/rultor-ruby
+  image: yegor256/rultor-java
 assets:
   rubygems.yml: yegor256/home#assets/rubygems.yml
 install: |