diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8cba6ae6..e1ea40c5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@ The **patch** part changes incrementally at each release.
 * kibana: log messages go to /var/log/kibana/kibana.log
 
 ### Changed
+* rbenv: install Ruby 2.5.1 by default
 
 ### Fixed
 
diff --git a/rbenv/defaults/main.yml b/rbenv/defaults/main.yml
index 6a75a5b1..3b898c35 100644
--- a/rbenv/defaults/main.yml
+++ b/rbenv/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 rbenv_version: v1.1.1
-rbenv_ruby_version: 2.5.0
+rbenv_ruby_version: 2.5.1
 rbenv_root: "~/.rbenv"
 rbenv_repo: "https://github.com/rbenv/rbenv.git"
 rbenv_plugins: