diff --git a/src/main/java/com/lmoraesdev/payment/config/logging/Log5w1h.java b/src/main/java/com/lmoraesdev/payment/config/logging/Log5w1h.java
index cb4bbbf..8256c02 100644
--- a/src/main/java/com/lmoraesdev/payment/config/logging/Log5w1h.java
+++ b/src/main/java/com/lmoraesdev/payment/config/logging/Log5w1h.java
@@ -1,11 +1,3 @@
 package com.lmoraesdev.payment.config.logging;
 
-public record Log5w1h(
-        String traceId,
-        String spanId,
-        String where,
-        String why,
-        String when,
-        Object who,
-        Object what,
-        String how) {}
+public record Log5w1h(String where, String why, String who, String what, String how) {}
diff --git a/src/main/java/com/lmoraesdev/payment/config/logging/Logger5w1h.java b/src/main/java/com/lmoraesdev/payment/config/logging/Logger5w1h.java
index 350f5f2..031b531 100644
--- a/src/main/java/com/lmoraesdev/payment/config/logging/Logger5w1h.java
+++ b/src/main/java/com/lmoraesdev/payment/config/logging/Logger5w1h.java
@@ -1,13 +1,11 @@
 package com.lmoraesdev.payment.config.logging;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.slf4j.spi.LoggingEventBuilder;
 
 public class Logger5w1h {
 
-    private static final ObjectMapper MAPPER = new ObjectMapper();
-
     private final Logger logger;
 
     private Logger5w1h(Class<?> clazz) {
@@ -19,26 +17,26 @@ public static Logger5w1h of(Class<?> clazz) {
     }
 
     public void info(Log5w1h data) {
-        logger.info(toJson(data));
+        withFields(logger.atInfo(), data).log();
     }
 
     public void debug(Log5w1h data) {
-        logger.debug(toJson(data));
+        withFields(logger.atDebug(), data).log();
     }
 
     public void warn(Log5w1h data) {
-        logger.warn(toJson(data));
+        withFields(logger.atWarn(), data).log();
     }
 
-    public void error(Log5w1h data, Throwable exception) {
-        logger.error(toJson(data), exception);
+    public void error(Log5w1h data, Throwable cause) {
+        withFields(logger.atError(), data).setCause(cause).log();
     }
 
-    private String toJson(Log5w1h data) {
-        try {
-            return MAPPER.writeValueAsString(data);
-        } catch (Exception exception) {
-            return data.toString();
-        }
+    private LoggingEventBuilder withFields(LoggingEventBuilder builder, Log5w1h data) {
+        return builder.addKeyValue("where", data.where())
+                .addKeyValue("why", data.why())
+                .addKeyValue("who", data.who())
+                .addKeyValue("what", data.what())
+                .addKeyValue("how", data.how());
     }
 }
diff --git a/src/main/java/com/lmoraesdev/payment/config/logging/Logger5w1hBuilder.java b/src/main/java/com/lmoraesdev/payment/config/logging/Logger5w1hBuilder.java
index 2cd43c5..9db2d5f 100644
--- a/src/main/java/com/lmoraesdev/payment/config/logging/Logger5w1hBuilder.java
+++ b/src/main/java/com/lmoraesdev/payment/config/logging/Logger5w1hBuilder.java
@@ -1,22 +1,17 @@
 package com.lmoraesdev.payment.config.logging;
 
-import java.time.LocalDateTime;
-import org.slf4j.MDC;
-
 public class Logger5w1hBuilder {
 
     private final Logger5w1h logger;
 
     private String where;
     private String why;
-    private String when;
-    private Object who;
-    private Object what;
+    private String who;
+    private String what;
     private String how;
 
     private Logger5w1hBuilder(Class<?> clazz) {
         this.logger = Logger5w1h.of(clazz);
-        this.when = LocalDateTime.now().toString();
     }
 
     public static Logger5w1hBuilder create(Class<?> clazz) {
@@ -33,17 +28,12 @@ public Logger5w1hBuilder why(String value) {
         return this;
     }
 
-    public Logger5w1hBuilder when(String value) {
-        this.when = value;
-        return this;
-    }
-
-    public Logger5w1hBuilder who(Object value) {
+    public Logger5w1hBuilder who(String value) {
         this.who = value;
         return this;
     }
 
-    public Logger5w1hBuilder what(Object value) {
+    public Logger5w1hBuilder what(String value) {
         this.what = value;
         return this;
     }
@@ -65,13 +55,11 @@ public void warn() {
         logger.warn(build());
     }
 
-    public void error(Throwable e) {
-        logger.error(build(), e);
+    public void error(Throwable cause) {
+        logger.error(build(), cause);
     }
 
     private Log5w1h build() {
-        // traceId is injected automatically from Micrometer Tracing MDC —
-        // no caller needs to pass it explicitly.
-        return new Log5w1h(MDC.get("traceId"), MDC.get("spanId"), where, why, when, who, what, how);
+        return new Log5w1h(where, why, who, what, how);
     }
 }
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index b9b966e..7d5da4c 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -48,5 +48,6 @@ logging:
   level:
     root: INFO
     com.lmoraesdev.payment: DEBUG
-  pattern:
-    console: "%d{yyyy-MM-dd HH:mm:ss} %-5level [%thread] %X{traceId} %logger{36} - %msg%n"
+  structured:
+    format:
+      console: ecs