diff --git a/.circleci/config.yml b/.circleci/config.yml
index e8d7b0dab..5ff347713 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -8,7 +8,7 @@ jobs:
   build:
     parallelism: 1
     docker:
-      - image: cimg/ruby:4.0.0-browsers
+      - image: cimg/ruby:4.0.1-browsers
         environment:
           BUNDLE_JOBS: 3
           BUNDLE_RETRY: 3
diff --git a/.ruby-version b/.ruby-version
index fcdb2e109..1454f6ed4 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-4.0.0
+4.0.1
diff --git a/.tool-versions b/.tool-versions
index 20d0a87d4..9248d4ff4 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,3 +1,3 @@
-ruby 4.0.0
+ruby 4.0.1
 bundler 2.6.2
 postgres 14.6
diff --git a/Dockerfile b/Dockerfile
index 7a7f4a113..aab02d1f8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:4.0.0
+FROM ruby:4.0.1
 
 ENV RACK_ENV=production
 ENV RAILS_ENV=production
diff --git a/Gemfile.lock b/Gemfile.lock
index cf9d17243..c8c81845a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -478,7 +478,7 @@ DEPENDENCIES
   with_model
 
 RUBY VERSION
-   ruby 4.0.0
+   ruby 4.0.1
 
 BUNDLED WITH
    2.6.2