diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d8b69ee..5cc0624 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,12 +8,11 @@ on:
   pull_request:
 
 jobs:
-  build:
+  test:
     runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v4
-
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: "3.3"
@@ -22,8 +21,32 @@ jobs:
       - name: Lint
         run: bundle exec rake standard
 
+  integration_test:
+    runs-on: ubuntu-latest
+
+    needs: test
+
+    strategy:
+      matrix:
+        include:
+          - ruby_version: "3.3"
+            redmine_branch_name: "master"
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: "3.3"
+          bundler-cache: true
+
       - name: Set up test
         run: bundle exec rake rexer:test:build_integration_test_image
+        env:
+          RUBY_VERSION: ${{ matrix.ruby_version }}
+          REDMINE_BRANCH_NAME: ${{ matrix.redmine_branch_name }}
 
-      - name: Run tests
-        run: bundle exec rake test
+      - name: Run integration tests
+        run: bundle exec rake test:integration
+        env:
+          RUBY_VERSION: ${{ matrix.ruby_version }}
+          REDMINE_BRANCH_NAME: ${{ matrix.redmine_branch_name }}
diff --git a/Rakefile b/Rakefile
index 5336e15..dd99a35 100644
--- a/Rakefile
+++ b/Rakefile
@@ -2,10 +2,10 @@ require "bundler/gem_tasks"
 require "rake/testtask"
 require "standard/rake"
 
-Rake::TestTask.new(:test) do |t|
+Rake::TestTask.new("test:integration") do |t|
   t.libs << "test"
   t.libs << "lib"
-  t.test_files = FileList["test/**/*_test.rb"]
+  t.test_files = FileList["test/integration/**/*_test.rb"]
   t.warning = false
 end
 
@@ -15,7 +15,17 @@ namespace :rexer do
   namespace :test do
     desc "Build the integration test image"
     task :build_integration_test_image do
-      system "docker build -f test/integration/Dockerfile -t rexer-test .", exception: true
+      ruby_version = ENV["RUBY_VERSION"] || "3.3"
+      redmine_branch_name = ENV["REDMINE_BRANCH_NAME"] || "master"
+
+      image_tag = "rexer-test:#{ruby_version}-#{redmine_branch_name}"
+
+      system(<<~CMD, exception: true)
+        docker build -f test/integration/Dockerfile \
+          --build-arg RUBY_VERSION=#{ruby_version} \
+          --build-arg REDMINE_BRANCH_NAME=#{redmine_branch_name} \
+          -t #{image_tag} .
+      CMD
     end
   end
 end
diff --git a/test/integration/Dockerfile b/test/integration/Dockerfile
index 5afd142..a926827 100644
--- a/test/integration/Dockerfile
+++ b/test/integration/Dockerfile
@@ -2,6 +2,8 @@ ARG RUBY_VERSION=3.3
 
 FROM ruby:$RUBY_VERSION
 
+ARG REDMINE_BRANCH_NAME=master
+
 RUN set -eux; \
     apt-get update; \
     apt-get install -y --no-install-recommends \
@@ -52,7 +54,7 @@ RUN git init && \
 # Redmine
 #
 WORKDIR /redmine
-RUN git clone --depth 1 https://github.com/redmine/redmine.git .
+RUN git clone -b $REDMINE_BRANCH_NAME --depth 1 https://github.com/redmine/redmine.git .
 COPY test/integration/docker/database.yml config/database.yml
 
 # Directory for the bundle cache