diff --git a/content/en/administration/installation.md b/content/en/administration/installation.md
index 61e7f1f5..9abdc1ba 100644
--- a/content/en/administration/installation.md
+++ b/content/en/administration/installation.md
@@ -181,11 +181,11 @@ git clone https://github.com/rbenv/ruby-build.git ~/.rbenv/plugins/ruby-build
 Once this is done, we can install the correct Ruby version:
 
 ```sh
-RUBY_CONFIGURE_OPTS=--with-jemalloc rbenv install 2.5.3
-rbenv global 2.5.3
+RUBY_CONFIGURE_OPTS=--with-jemalloc rbenv install 2.6.0
+rbenv global 2.6.0
 ```
 
-Default gem version shipped with ruby_2.5.3 is incompatible with latest bundler, so we need to update gem:
+Default gem version shipped with ruby_2.6.0 is incompatible with latest bundler, so we need to update gem:
 
 ```
 gem update --system