diff --git a/.ruby-gemset b/.ruby-gemset
index 984fb20..198aba4 100644
--- a/.ruby-gemset
+++ b/.ruby-gemset
@@ -1 +1 @@
-wrestlingdev
+wrestlingdev
\ No newline at end of file
diff --git a/.ruby-version b/.ruby-version
index a9cadc6..6eb7609 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-ruby-3.2.0
+ruby-4.0.1
\ No newline at end of file
diff --git a/Gemfile b/Gemfile
index 6bbeabd..5c1c362 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-ruby '3.2.0'
+ruby '4.0.1'
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '8.1.2'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 5e3c77e..7cdd3aa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -117,8 +117,9 @@ GEM
       influxdb (~> 0.6, >= 0.6.4)
       railties (>= 5.0)
     io-console (0.8.2)
-    irb (1.16.0)
+    irb (1.17.0)
       pp (>= 0.6.0)
+      prism (>= 1.3.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
     jbuilder (2.14.1)
@@ -377,7 +378,7 @@ DEPENDENCIES
   tzinfo-data
 
 RUBY VERSION
-   ruby 3.2.0p0
+   ruby 4.0.1p0
 
 BUNDLED WITH
    2.6.9
diff --git a/README.md b/README.md
index ea90dbe..9801cd0 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ This application is being created to run a wrestling tournament.
 **Public Production Url:** [https://wrestlingdev.com](https://wrestlingdev.com)
 
 **App Info**
-* Ruby 3.2.0
+* Ruby 4.0.1
 * Rails 8.1.2
 * DB MySQL/MariaDB
 * Solid Cache -> MySQL/MariaDB for html partial caching
diff --git a/config/application.rb b/config/application.rb
index e40bbbf..49999da 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -57,6 +57,5 @@ module Wrestling
     config.active_support.cache_format_version = 7.1
 
     config.load_defaults 8.1
-    config.active_support.to_time_preserves_timezone = :zone
   end
 end
diff --git a/deploy/rails-dev-Dockerfile b/deploy/rails-dev-Dockerfile
index 4f6a2cd..6e09676 100644
--- a/deploy/rails-dev-Dockerfile
+++ b/deploy/rails-dev-Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.2.0
+FROM ruby:4.0.1
 
 # Accept build arguments for user/group IDs
 ARG USER_ID=1000
diff --git a/deploy/rails-prod-Dockerfile b/deploy/rails-prod-Dockerfile
index 6059263..b711c30 100644
--- a/deploy/rails-prod-Dockerfile
+++ b/deploy/rails-prod-Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.2.0-slim
+FROM ruby:4.0.1-slim
 
 #HEALTHCHECK --start-period=60s CMD curl http://127.0.0.1/
 
@@ -15,6 +15,8 @@ RUN apt-get -qq update --fix-missing \
     libsqlite3-dev \
     wget \
     default-libmysqlclient-dev \
+    libyaml-dev \
+    pkg-config \
     nodejs \
     tzdata \
     git \