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 f9e54ca5..9f0d0847 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-ARG RUBY_VERSION=3.3.5
+ARG RUBY_VERSION=3.4.1
 ARG NODE_VERSION=22.7.0
 
 # Use Node image so we can pull the binaries from here.
@@ -37,7 +37,7 @@ RUN mkdir -p $APP_HOME
 WORKDIR $APP_HOME
 
 # Copy dependencies files and install libraries.
-COPY --link Gemfile Gemfile.lock package.json yarn.lock .yarnrc.yml ./
+COPY --link Gemfile Gemfile.lock package.json yarn.lock .yarnrc.yml .ruby-version ./
 
 RUN corepack enable
 RUN gem install bundler && bundle install -j 4 && yarn install --immutable && \
diff --git a/Dockerfile.dev b/Dockerfile.dev
index a83a3055..11c49975 100644
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -1,4 +1,4 @@
-ARG RUBY_VERSION=3.3.5
+ARG RUBY_VERSION=3.4.1
 ARG NODE_VERSION=22.7.0
 
 # Use Node image so we can pull the binaries from here.
diff --git a/Gemfile b/Gemfile
index e0878827..65c61c18 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@
 
 source 'https://rubygems.org'
 
-ruby '~> 3.3.5'
+ruby file: '.ruby-version'
 
 gem 'rails', '~> 7.2.2'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index f7039d9a..272a8145 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -243,8 +243,6 @@ GEM
     faraday-retry (2.2.1)
       faraday (~> 2.0)
     ffi (1.17.0)
-    ffi (1.17.0-arm64-darwin)
-    ffi (1.17.0-x86_64-linux-gnu)
     flipper (1.3.2)
       concurrent-ruby (< 2)
     flipper-active_record (1.3.2)
@@ -265,12 +263,6 @@ GEM
     google-protobuf (4.29.2)
       bigdecimal
       rake (>= 13)
-    google-protobuf (4.29.2-arm64-darwin)
-      bigdecimal
-      rake (>= 13)
-    google-protobuf (4.29.2-x86_64-linux)
-      bigdecimal
-      rake (>= 13)
     has_scope (0.8.2)
       actionpack (>= 5.2)
       activesupport (>= 5.2)
@@ -369,10 +361,6 @@ GEM
     nokogiri (1.17.2)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.17.2-arm64-darwin)
-      racc (~> 1.4)
-    nokogiri (1.17.2-x86_64-linux)
-      racc (~> 1.4)
     octokit (9.2.0)
       faraday (>= 1, < 3)
       sawyer (~> 0.9)
@@ -680,7 +668,7 @@ DEPENDENCIES
   yaaf (~> 3.0)
 
 RUBY VERSION
-   ruby 3.3.5p100
+   ruby 3.4.1p0
 
 BUNDLED WITH
    2.5.18