diff --git a/tomcat/build.gradle b/tomcat/build.gradle
index 56275ceb94..5e2a76a777 100644
--- a/tomcat/build.gradle
+++ b/tomcat/build.gradle
@@ -3,8 +3,8 @@ plugins {
     id "jacoco"
 }
 
-sourceCompatibility = JavaVersion.VERSION_17
-targetCompatibility = JavaVersion.VERSION_17
+sourceCompatibility = JavaVersion.VERSION_11
+targetCompatibility = JavaVersion.VERSION_11
 
 repositories {
     mavenCentral()
diff --git a/tomcat/src/main/java/nextstep/jwp/controller/LoginController.java b/tomcat/src/main/java/nextstep/jwp/controller/LoginController.java
index 79be79f205..4b19988c84 100644
--- a/tomcat/src/main/java/nextstep/jwp/controller/LoginController.java
+++ b/tomcat/src/main/java/nextstep/jwp/controller/LoginController.java
@@ -15,7 +15,7 @@
 public class LoginController extends AbstractController {
     @Override
     protected void doPost(final HttpRequest request, final HttpResponse response) throws Exception {
-        final Body body = request.body();
+        final Body body = request.getBody();
         final String account = body.getValue("account");
         final String password = body.getValue("password");
         final User loginUser = InMemoryUserRepository.findByAccount(account)
@@ -30,7 +30,7 @@ protected void doPost(final HttpRequest request, final HttpResponse response) th
 
     @Override
     protected void doGet(final HttpRequest request, final HttpResponse response) throws Exception {
-        if (request.headers().getCookies().containsKey("JSESSIONID")) {
+        if (request.getHeaders().getCookies().containsKey("JSESSIONID")) {
             response.addStatus(HttpStatus.FOUND)
                     .addLocation("/index.html");
             return;
diff --git a/tomcat/src/main/java/nextstep/jwp/controller/RegisterController.java b/tomcat/src/main/java/nextstep/jwp/controller/RegisterController.java
index 515f78508b..c4078628e2 100644
--- a/tomcat/src/main/java/nextstep/jwp/controller/RegisterController.java
+++ b/tomcat/src/main/java/nextstep/jwp/controller/RegisterController.java
@@ -14,7 +14,7 @@
 public class RegisterController extends AbstractController {
     @Override
     protected void doPost(final HttpRequest request, final HttpResponse response) throws Exception {
-        final var body = request.body();
+        final var body = request.getBody();
         final String account = body.getValue("account");
         InMemoryUserRepository.findByAccount(account)
                 .ifPresent(user -> {
diff --git a/tomcat/src/main/java/nextstep/jwp/controller/ResourceController.java b/tomcat/src/main/java/nextstep/jwp/controller/ResourceController.java
index 04fb2e598d..6acd742e07 100644
--- a/tomcat/src/main/java/nextstep/jwp/controller/ResourceController.java
+++ b/tomcat/src/main/java/nextstep/jwp/controller/ResourceController.java
@@ -17,7 +17,7 @@ public class ResourceController extends AbstractController {
 
     @Override
     protected void doGet(final HttpRequest request, final HttpResponse response) throws Exception {
-        final String resourcePath = request.requestLine().uri().getPath();
+        final String resourcePath = request.getRequestLine().getUri().getPath();
         final String extension = resourcePath.substring(resourcePath.lastIndexOf(".") + 1);
         final ContentType contentType = ContentType.from(extension);
         final String content = getResourceContent(resourcePath);
diff --git a/tomcat/src/main/java/org/apache/coyote/http11/Http11Processor.java b/tomcat/src/main/java/org/apache/coyote/http11/Http11Processor.java
index 8a50be55a7..4f4e713058 100644
--- a/tomcat/src/main/java/org/apache/coyote/http11/Http11Processor.java
+++ b/tomcat/src/main/java/org/apache/coyote/http11/Http11Processor.java
@@ -3,6 +3,7 @@
 import nextstep.jwp.Controller;
 import org.apache.coyote.Processor;
 import org.apache.coyote.RequestMapping;
+import org.apache.coyote.http11.header.RequestLine;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -34,11 +35,12 @@ public void process(final Socket connection) {
              final var outputStream = connection.getOutputStream();
              final var bufferedReader = new BufferedReader(new InputStreamReader(inputStream))) {
             final HttpRequest request = HttpRequest.parse(bufferedReader);
-            log.info("{} {}", request.requestLine().method(), request.requestLine().uri());
+            final RequestLine requestLine = request.getRequestLine();
+            log.info("{} {}", requestLine.getMethod(), requestLine.getUri());
             final Controller controller = RequestMapping.getController(request);
             final HttpResponse response = new HttpResponse();
             controller.service(request, response);
-            log.info("{} {} {}", response.getStatus(), request.requestLine().method(), request.getPath());
+            log.info("{} {} {}", response.getStatus(), requestLine.getMethod(), request.getPath());
             writeResponse(outputStream, response.build());
         } catch (Exception e) {
             log.error(e.getMessage(), e);
diff --git a/tomcat/src/main/java/org/apache/coyote/http11/HttpRequest.java b/tomcat/src/main/java/org/apache/coyote/http11/HttpRequest.java
index cb81e3cb53..9967d091d1 100644
--- a/tomcat/src/main/java/org/apache/coyote/http11/HttpRequest.java
+++ b/tomcat/src/main/java/org/apache/coyote/http11/HttpRequest.java
@@ -8,12 +8,19 @@
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.util.List;
+import java.util.stream.Collectors;
+
+public class HttpRequest {
+    private final RequestLine requestLine;
+    private final Headers headers;
+    private final Body body;
+
+    public HttpRequest(final RequestLine requestLine, final Headers headers, final Body body) {
+        this.requestLine = requestLine;
+        this.headers = headers;
+        this.body = body;
+    }
 
-public record HttpRequest(
-        RequestLine requestLine,
-        Headers headers,
-        Body body
-) {
     public static HttpRequest parse(final BufferedReader bufferedReader) throws IOException {
         final var lines = read(bufferedReader);
         final var requestLine = RequestLine.parse(lines.get(0));
@@ -25,18 +32,30 @@ public static HttpRequest parse(final BufferedReader bufferedReader) throws IOEx
     private static List<String> read(final BufferedReader bufferedReader) {
         return bufferedReader.lines()
                 .takeWhile(line -> !line.isBlank())
-                .toList();
+                .collect(Collectors.toList());
+    }
+
+    public RequestLine getRequestLine() {
+        return requestLine;
+    }
+
+    public Headers getHeaders() {
+        return headers;
+    }
+
+    public Body getBody() {
+        return body;
     }
 
     public boolean isGet() {
-        return requestLine.method() == HttpMethod.GET;
+        return requestLine.getMethod() == HttpMethod.GET;
     }
 
     public boolean isPost() {
-        return requestLine.method() == HttpMethod.POST;
+        return requestLine.getMethod() == HttpMethod.POST;
     }
 
     public String getPath() {
-        return requestLine.uri().getPath();
+        return requestLine.getUri().getPath();
     }
 }
diff --git a/tomcat/src/main/java/org/apache/coyote/http11/body/Body.java b/tomcat/src/main/java/org/apache/coyote/http11/body/Body.java
index 06c3e79ed3..1b97414486 100644
--- a/tomcat/src/main/java/org/apache/coyote/http11/body/Body.java
+++ b/tomcat/src/main/java/org/apache/coyote/http11/body/Body.java
@@ -9,11 +9,14 @@ public interface Body {
     static Body parse(int contentLength, ContentType contentType, final BufferedReader bufferedReader) throws IOException {
         final char[] body = new char[contentLength];
         bufferedReader.read(body, 0, contentLength);
-        return switch (contentType) {
-            case FORM_URLENCODED -> FormUrlEncodedBody.parse(String.valueOf(body));
-            case NONE -> new EmptyBody();
-            default -> throw new IllegalArgumentException("지원하지 않는 Content-Type 입니다.");
-        };
+        switch (contentType) {
+            case FORM_URLENCODED:
+                return FormUrlEncodedBody.parse(String.valueOf(body));
+            case NONE:
+                return new EmptyBody();
+            default:
+                throw new IllegalArgumentException("지원하지 않는 Content-Type 입니다.");
+        }
     }
 
     String getValue(String key);
diff --git a/tomcat/src/main/java/org/apache/coyote/http11/header/Headers.java b/tomcat/src/main/java/org/apache/coyote/http11/header/Headers.java
index a3cdf0d5ff..4f6b9c3004 100644
--- a/tomcat/src/main/java/org/apache/coyote/http11/header/Headers.java
+++ b/tomcat/src/main/java/org/apache/coyote/http11/header/Headers.java
@@ -4,9 +4,13 @@
 import java.util.List;
 import java.util.Map;
 
-public record Headers(
-        Map<HeaderType, String> headers
-) {
+public class Headers {
+    private final Map<HeaderType, String> headers;
+
+    public Headers(final Map<HeaderType, String> headers) {
+        this.headers = headers;
+    }
+
     public static Headers parse(final List<String> headerLines) {
         final var headers = new EnumMap<HeaderType, String>(HeaderType.class);
         headerLines.stream()
diff --git a/tomcat/src/main/java/org/apache/coyote/http11/header/RequestLine.java b/tomcat/src/main/java/org/apache/coyote/http11/header/RequestLine.java
index 179bd1b987..190a406b6b 100644
--- a/tomcat/src/main/java/org/apache/coyote/http11/header/RequestLine.java
+++ b/tomcat/src/main/java/org/apache/coyote/http11/header/RequestLine.java
@@ -2,11 +2,17 @@
 
 import java.net.URI;
 
-public record RequestLine(
-        HttpMethod method,
-        URI uri,
-        HttpVersion version
-) {
+public class RequestLine {
+    private final HttpMethod method;
+    private final URI uri;
+    private final HttpVersion version;
+
+    public RequestLine(final HttpMethod method, final URI uri, final HttpVersion version) {
+        this.method = method;
+        this.uri = uri;
+        this.version = version;
+    }
+
     public static RequestLine parse(final String requestLine) {
         final var tokens = requestLine.split(" ");
         return new RequestLine(
@@ -15,4 +21,16 @@ public static RequestLine parse(final String requestLine) {
                 HttpVersion.of(tokens[2])
         );
     }
+
+    public HttpMethod getMethod() {
+        return method;
+    }
+
+    public URI getUri() {
+        return uri;
+    }
+
+    public HttpVersion getVersion() {
+        return version;
+    }
 }