diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 21d4c4b9..949a9b9d 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,4 +1,4 @@
-ARG RUBY_VERSION=3.3.5
+ARG RUBY_VERSION=3.4.1
 FROM ruby:${RUBY_VERSION}-slim-bullseye
 
 RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
diff --git a/.ruby-version b/.ruby-version
index fa7adc7a..47b322c9 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.3.5
+3.4.1
diff --git a/Dockerfile b/Dockerfile
index 236d5f4d..2cad94b0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # syntax = docker/dockerfile:1
 
 # Make sure RUBY_VERSION matches the Ruby version in .ruby-version and Gemfile
-ARG RUBY_VERSION=3.3.5
+ARG RUBY_VERSION=3.4.1
 FROM registry.docker.com/library/ruby:$RUBY_VERSION-slim AS base
 
 # Rails app lives here
diff --git a/Gemfile.lock b/Gemfile.lock
index 8fb554f0..61a15574 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -451,8 +451,8 @@ GEM
     tailwindcss-ruby (3.4.17-arm64-darwin)
     tailwindcss-ruby (3.4.17-x86_64-darwin)
     tailwindcss-ruby (3.4.17-x86_64-linux)
-    terminal-table (3.0.2)
-      unicode-display_width (>= 1.1.1, < 3)
+    terminal-table (4.0.0)
+      unicode-display_width (>= 1.1.1, < 4)
     thor (1.3.2)
     timeout (0.4.3)
     turbo-rails (2.0.11)
@@ -460,7 +460,9 @@ GEM
       railties (>= 6.0.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    unicode-display_width (2.6.0)
+    unicode-display_width (3.1.4)
+      unicode-emoji (~> 4.0, >= 4.0.4)
+    unicode-emoji (4.0.4)
     uri (1.0.2)
     useragent (0.16.11)
     vcr (6.3.1)
@@ -549,7 +551,7 @@ DEPENDENCIES
   webmock
 
 RUBY VERSION
-   ruby 3.3.5p100
+   ruby 3.4.1p0
 
 BUNDLED WITH
    2.6.3