diff --git a/.ruby-version b/.ruby-version
index ef538c28..15a27998 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.1.2
+3.3.0
diff --git a/Dockerfile b/Dockerfile
index 6bed8d01..74c2e496 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.1.2
+FROM ruby:3.3.0
 
 # 92c56cb432c5d86d8687d765bd6d0847dc80edfbab28a878a9c11eec9289b02d  fly-7.8.2-linux-amd64.tgz
 # 6cf7acfcde78a980339cba1534c01be28d360306e5c76c60c5546e3847434eb7  fly-7.9.1-linux-amd64.tgz
diff --git a/Gemfile b/Gemfile
index 0883ecb9..7799dec9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-ruby '3.1.2'
+ruby '3.3.0'
 gem 'rhcl', '~> 0.1.0'
 
 group :development do
diff --git a/Gemfile.lock b/Gemfile.lock
index db106aff..316f0cd5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -226,7 +226,7 @@ DEPENDENCIES
   simplecov (~> 0.22.0)
 
 RUBY VERSION
-   ruby 3.1.2p20
+   ruby 3.3.0p0
 
 BUNDLED WITH
    2.3.20