diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4a46a1a..03a1f6f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: .ruby-version
+          ruby-version: 3.4.2
           bundler-cache: true
 
       - name: Scan for common Rails security vulnerabilities using static analysis
@@ -35,7 +35,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: .ruby-version
+          ruby-version: 3.4.2
           bundler-cache: true
 
       - name: Scan for security vulnerabilities in JavaScript dependencies
@@ -50,7 +50,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: .ruby-version
+          ruby-version: 3.4.2
           bundler-cache: true
 
       - name: Lint code for consistent style
@@ -75,7 +75,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: .ruby-version
+          ruby-version: 3.4.2
           bundler-cache: true
 
       - name: Run tests
diff --git a/.ruby-version b/.ruby-version
deleted file mode 100644
index 4d9d11c..0000000
--- a/.ruby-version
+++ /dev/null
@@ -1 +0,0 @@
-3.4.2
diff --git a/db/schema.rb b/db/schema.rb
index 0f651a4..fc74d60 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # This file is auto-generated from the current state of the database. Instead
 # of editing this file, please use the migrations feature of Active Record to
 # incrementally modify your database, and then regenerate this schema definition.