diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 41979db..b2cb417 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -21,6 +21,13 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: '21'
+          cache: 'maven'
+      - name: Build with Maven
+        run: mvn -B package --file pom.xml
 
       - name: Check Dockerfile 
         run: |
@@ -33,7 +40,6 @@ jobs:
           context: .
           push: false
           tags: ${{ env.IMAGE_NAME }}
-          #platforms: linux/amd64,linux/arm64
           labels: ${{ env.IMAGE_NAME }}
 
       - name: Check vulnerabilities 
@@ -49,8 +55,8 @@ jobs:
 
       - name: Test the container
         run: |
-          sleep 5
-          curl --silent --retry 3 --include  http://127.0.0.1:9500/ping | grep "200 OK" 
+          sleep 10
+          curl --silent --retry 3 --include  http://127.0.0.1:9500/ping | grep "HTTP/1.1 200" 
           [ $? -ne 0 ] && (echo "error"; exit 1)
           exit 0
 
diff --git a/Dockerfile b/Dockerfile
index b1f362c..bdc077e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,12 @@
-FROM eclipse-temurin:latest
+FROM eclipse-temurin:21.0.3_9-jre
 
 # アプリケーションのインストール
 RUN mkdir /app
 WORKDIR /app
-COPY --chown=65534:65534 target/rest-service-0.0.1.jar /app/rest-service.jar
+COPY --chown=65534:65534 target/rest-service-1.0.0.jar /app/rest-service.jar
 
 # コンテナの設定
 USER 65534:65534
 EXPOSE 8080
 CMD ["java", "-jar", "/app/rest-service.jar"]
+
diff --git a/README.md b/README.md
index 53d3056..b138dd7 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,4 @@
+# Javaで作るコンテナイメージ
 
 ## ディレクトリ構造
 
diff --git a/pom.xml b/pom.xml
index e932e82..fd98c70 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,11 +10,11 @@
 	</parent>
 	<groupId>com.example</groupId>
 	<artifactId>rest-service</artifactId>
-	<version>0.0.1</version>
+	<version>1.0.0</version>
 	<name>rest-service</name>
 	<description>Demo project for Spring Boot</description>
 	<properties>
-		<java.version>17</java.version>
+		<java.version>21</java.version>
 	</properties>
 	<dependencies>
 		<dependency>