diff --git a/.circleci/config.yml b/.circleci/config.yml
index 845ba3013..d6dbd4eed 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -8,7 +8,7 @@ jobs:
   build:
     parallelism: 1
     docker:
-      - image: cimg/ruby:3.4.1-browsers
+      - image: cimg/ruby:3.4.2-browsers
         environment:
           BUNDLE_JOBS: 3
           BUNDLE_RETRY: 3
diff --git a/.ruby-version b/.ruby-version
index 47b322c97..4d9d11cf5 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.4.1
+3.4.2
diff --git a/.tool-versions b/.tool-versions
index 6f1a24f97..d76a2e710 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,3 +1,3 @@
-ruby 3.4.1
+ruby 3.4.2
 bundler 2.6.2
 postgres 14.6
diff --git a/Dockerfile b/Dockerfile
index 371eec4c1..0fa557cea 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.4.1
+FROM ruby:3.4.2
 
 ENV RACK_ENV=production
 ENV RAILS_ENV=production
diff --git a/Gemfile.lock b/Gemfile.lock
index 973120a79..024861a70 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -449,7 +449,7 @@ DEPENDENCIES
   with_model
 
 RUBY VERSION
-   ruby 3.4.1
+   ruby 3.4.2
 
 BUNDLED WITH
    2.6.2