diff --git a/.circleci/config.yml b/.circleci/config.yml
index 43dc58cf9..bdacf4495 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -11,7 +11,7 @@ jobs:
   build_and_test:
     working_directory: ~/cfp_app
     docker:
-      - image: cimg/ruby:3.1.2-browsers
+      - image: cimg/ruby:3.1.6-browsers
         environment:
           PGHOST: localhost
           PGUSER: cfp_app
diff --git a/.ruby-version b/.ruby-version
index ef538c281..9cec7165a 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.1.2
+3.1.6
diff --git a/Gemfile.lock b/Gemfile.lock
index 08340fc4a..88745c41a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -616,7 +616,7 @@ DEPENDENCIES
   webpacker
 
 RUBY VERSION
-   ruby 3.1.2p20
+   ruby 3.1.6p260
 
 BUNDLED WITH
    2.3.17
diff --git a/README.md b/README.md
index a3c99cc4d..4ec7947b7 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ The CFP App does not provide a public facing website for your conference, though
 
 ### Prerequisite Requirements
 
-* Ruby 3.1.2 (set in `.ruby-version`)
+* Ruby 3.1.6 (set in `.ruby-version`)
 * Bundler (was installed with 2.3.11)
 * PostgreSQL 14.1
 * Google Chrome browser must be installed to run tests