diff --git a/.ruby-version b/.ruby-version
index 0aec50e6e..9cec7165a 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.1.4
+3.1.6
diff --git a/Dockerfile b/Dockerfile
index f6d123a16..2ad7aa075 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.1.4
+FROM ruby:3.1.6
 
 ENV LANG C.UTF-8
 
diff --git a/Gemfile b/Gemfile
index 3c717b36b..e032ee1f3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,5 @@
 source 'https://rubygems.org'
-ruby '3.1.4'
+ruby '3.1.6'
 
 gem 'rails', '~> 6.1'
 gem 'puma'
diff --git a/Gemfile.lock b/Gemfile.lock
index 57641e20e..1ea94e1d5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -551,7 +551,7 @@ DEPENDENCIES
   web-console
 
 RUBY VERSION
-   ruby 3.1.4p223
+   ruby 3.1.6p260
 
 BUNDLED WITH
    2.4.7