diff --git a/.github/workflows/rubocop.yml b/.github/workflows/rubocop.yml
new file mode 100644
index 0000000..78974b5
--- /dev/null
+++ b/.github/workflows/rubocop.yml
@@ -0,0 +1,17 @@
+name: lint
+
+on: [push, pull_request]
+
+jobs:
+  lint:
+    name: RuboCop
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: "3.1.2"
+          bundler-cache: true
+      - name: Run RuboCop
+        run: bundle exec rubocop
\ No newline at end of file
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9e6b88c..b3a0b92 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,25 +1,32 @@
-name: Tests
+name: test
+
 on: [push, pull_request]
+
 jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: ruby/setup-ruby@v1
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Setup Firefox
+        uses: browser-actions/setup-firefox@latest
         with:
-          ruby-version: 3.0.5
-      - uses: supercharge/mongodb-github-action@1.7.0
+          firefox-version: "108.0"
+      - name: Download geckodriver
+        uses: browser-actions/setup-geckodriver@latest
         with:
-          mongodb-version: 5.0
-      - uses: browser-actions/setup-geckodriver@latest
+          geckodriver-version: "0.32.0"
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
         with:
-          geckodriver-version: 0.18.0
-      - uses: browser-actions/setup-firefox@latest
+          ruby-version: "3.1.2"
+          bundler-cache: true
+      - name: Start MongoDB
+        uses: supercharge/mongodb-github-action@1.7.0
         with:
-          firefox-version: '54.0'
-      - run: |
-          bundle install
-      - uses: GabrielBB/xvfb-action@v1
-        with:          
-          run: |
-            bundle exec rake
+          mongodb-version: "5"
+          mongodb-db: slack_arena_test
+      - name: Run tests
+        uses: GabrielBB/xvfb-action@v1
+        with:
+          run: bundle exec rake spec
\ No newline at end of file
diff --git a/.ruby-version b/.ruby-version
index eca690e..ef538c2 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.0.5
+3.1.2
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f105fcd..2722b60 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,6 @@
 ### Change Log
+
+* [#212](https://github.com/dblock/slack-gamebot/pull/212): Upgraded to Ruby 3.1.2 - [@dblock](https://github.com/dblock).
 * [#189](https://github.com/dblock/slack-gamebot/pull/189): Capped user tau at 11 for elo scoring - [@eddycurry](https://github.com/eddycurry).
 * [#166](https://github.com/dblock/slack-gamebot/issues/166): Challenge anyone to a game with `challenge @here` or `challenge @channel` - [@dblock](https://github.com/dblock).
 * [#159](https://github.com/dblock/slack-gamebot/issues/159): The `unsubscribe` command will only turn off auto-renew instead of canceling immediately - [@dblock](https://github.com/dblock).
diff --git a/Gemfile b/Gemfile
index 24964b6..9356af6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'http://rubygems.org'
 
-ruby '3.0.5'
+ruby '3.1.2'
 
 gem 'hashie', '3.4.6'
 gem 'irb'
@@ -45,7 +45,7 @@ group :test do
   gem 'fabrication'
   gem 'faker'
   gem 'hyperclient'
-  gem 'rack-test'
+  gem 'rack-test', '~> 1.1.0'
   gem 'rspec'
   gem 'selenium-webdriver'
   gem 'timecop'
diff --git a/Gemfile.lock b/Gemfile.lock
index 882dc40..9853eaf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,8 +9,8 @@ GEM
       minitest (>= 5.1)
       tzinfo (~> 2.0)
       zeitwerk (~> 2.3)
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     ast (2.4.2)
     async (1.30.2)
       console (~> 1.10)
@@ -23,7 +23,7 @@ GEM
       websocket-driver (~> 0.7.0)
     bson (4.15.0)
     builder (3.2.4)
-    capybara (3.36.0)
+    capybara (3.38.0)
       addressable
       matrix
       mini_mime (>= 0.1.3)
@@ -99,7 +99,7 @@ GEM
     fiber-local (1.0.0)
     foreman (0.87.2)
     gli (2.21.0)
-    grape (1.6.2)
+    grape (1.7.0)
       activesupport
       builder
       dry-types (>= 1.1)
@@ -140,7 +140,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2022.0105)
     mini_mime (1.1.2)
-    mini_portile2 (2.8.0)
+    mini_portile2 (2.8.1)
     minitest (5.15.0)
     mongo (2.15.1)
       bson (>= 4.8.2, < 5.0.0)
@@ -168,15 +168,15 @@ GEM
     netrc (0.11.0)
     newrelic_rpm (8.8.0)
     nio4r (2.5.8)
-    nokogiri (1.13.9)
+    nokogiri (1.14.0)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     parallel (1.22.1)
     parser (3.1.2.0)
       ast (~> 2.4.1)
-    public_suffix (4.0.7)
-    racc (1.6.0)
-    rack (2.2.3.1)
+    public_suffix (5.0.1)
+    racc (1.6.2)
+    rack (2.2.5)
     rack-accept (0.4.5)
       rack (>= 0.4)
     rack-cors (1.1.1)
@@ -191,7 +191,7 @@ GEM
     rainbow (3.1.1)
     raindrops (0.20.0)
     rake (12.3.3)
-    regexp_parser (2.5.0)
+    regexp_parser (2.6.1)
     reline (0.3.1)
       io-console (~> 0.5)
     representable (3.2.0)
@@ -332,7 +332,7 @@ DEPENDENCIES
   newrelic_rpm
   rack-robotz
   rack-server-pages
-  rack-test
+  rack-test (~> 1.1.0)
   rake (~> 12.3)
   roar
   rspec
@@ -356,7 +356,7 @@ DEPENDENCIES
   webrick
 
 RUBY VERSION
-   ruby 3.0.5p211
+   ruby 3.1.2p20
 
 BUNDLED WITH
    2.3.26