diff --git a/.rultor.yml b/.rultor.yml
index 6554106..09fae7c 100644
--- a/.rultor.yml
+++ b/.rultor.yml
@@ -1,5 +1,5 @@
 docker:
-  image: yegor256/rultor-image:1.23.0
+  image: yegor256/rultor-image:1.23.1
 merge:
   script: |-
     sudo docker build "$(pwd)"