diff --git a/.github/workflows/next-rails.yml b/.github/workflows/next-rails.yml
index 31086e9d..df850b63 100644
--- a/.github/workflows/next-rails.yml
+++ b/.github/workflows/next-rails.yml
@@ -26,7 +26,7 @@ jobs:
           echo "BUNDLE_CACHE_PATH=vendor/cache.next" >> $GITHUB_ENV
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.1.2
+          ruby-version: 3.1.3
           bundler-cache: true
       - name: Prepare spec
         run: |
diff --git a/.github/workflows/spec.yml b/.github/workflows/spec.yml
index cb13886c..0b76a6db 100644
--- a/.github/workflows/spec.yml
+++ b/.github/workflows/spec.yml
@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.1.2
+          ruby-version: 3.1.3
           bundler-cache: true
       - run: bundle exec rubocop
       - run: bundle exec haml-lint app/views
@@ -34,7 +34,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.1.2
+          ruby-version: 3.1.3
           bundler-cache: true
       - name: Prepare spec
         run: |
diff --git a/.ruby-version b/.ruby-version
index ef538c28..ff365e06 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.1.2
+3.1.3
diff --git a/Gemfile b/Gemfile
index fb8198a4..43f43c83 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ end
 
 source 'https://rubygems.org'
 
-ruby ENV.fetch('OSEM_RUBY_VERSION', '3.1.2')
+ruby ENV.fetch('OSEM_RUBY_VERSION', '3.1.3')
 
 # rails-assets requires >= 1.8.4
 if Gem::Version.new(Bundler::VERSION) < Gem::Version.new('1.8.4')
diff --git a/Gemfile.lock b/Gemfile.lock
index ba4dd35e..55afb34b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -744,7 +744,7 @@ DEPENDENCIES
   whenever
 
 RUBY VERSION
-   ruby 3.1.2
+   ruby 3.1.3
 
 BUNDLED WITH
-   2.3.3
+   2.3.26