diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 017555f..e84a098 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -47,7 +47,7 @@ jobs:
 
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.3'
+          ruby-version: '3.4.7'
           bundler-cache: true
 
       - name: Install dependencies and lint
diff --git a/.ruby-version b/.ruby-version
index 4d9d11c..2aa5131 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.4.2
+3.4.7
diff --git a/logto-sample/Gemfile b/logto-sample/Gemfile
index 638cd97..ef002ce 100644
--- a/logto-sample/Gemfile
+++ b/logto-sample/Gemfile
@@ -1,6 +1,6 @@
 source "https://rubygems.org"
 
-ruby "3.4.2"
+ruby "3.4.7"
 
 # Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
 gem "rails", "~> 8.0.0", ">= 8.0.2"
diff --git a/logto-sample/Gemfile.lock b/logto-sample/Gemfile.lock
index 07ea44f..ff1edf8 100644
--- a/logto-sample/Gemfile.lock
+++ b/logto-sample/Gemfile.lock
@@ -137,7 +137,6 @@ GEM
     marcel (1.0.4)
     matrix (0.4.2)
     mini_mime (1.1.5)
-    mini_portile2 (2.8.9)
     minitest (5.25.5)
     msgpack (1.7.2)
     net-imap (0.5.7)
@@ -228,8 +227,6 @@ GEM
       actionpack (>= 6.1)
       activesupport (>= 6.1)
       sprockets (>= 3.0.0)
-    sqlite3 (1.7.3)
-      mini_portile2 (~> 2.8.0)
     sqlite3 (1.7.3-aarch64-linux)
     sqlite3 (1.7.3-arm64-darwin)
     sqlite3 (1.7.3-x86_64-linux)
@@ -276,7 +273,6 @@ DEPENDENCIES
   jbuilder
   logto!
   puma (>= 5.0)
-  rack (>= 3.2.2)
   rails (~> 8.0.0, >= 8.0.2)
   redis (>= 4.0.1)
   selenium-webdriver
@@ -288,7 +284,7 @@ DEPENDENCIES
   web-console
 
 RUBY VERSION
-   ruby 3.4.2p28
+   ruby 3.4.7p58
 
 BUNDLED WITH
    2.7.2