diff --git a/core/src/main/java/com/linecorp/armeria/common/metric/MoreMeterBinders.java b/core/src/main/java/com/linecorp/armeria/common/metric/MoreMeterBinders.java
index 1e569e408cc..4c82f8d993c 100644
--- a/core/src/main/java/com/linecorp/armeria/common/metric/MoreMeterBinders.java
+++ b/core/src/main/java/com/linecorp/armeria/common/metric/MoreMeterBinders.java
@@ -25,10 +25,13 @@
 
 import com.google.common.collect.ImmutableList;
 
+import com.linecorp.armeria.common.Flags;
 import com.linecorp.armeria.common.annotation.UnstableApi;
 import com.linecorp.armeria.internal.common.util.CertificateUtil;
 
 import io.micrometer.core.instrument.binder.MeterBinder;
+import io.micrometer.core.instrument.binder.netty4.NettyAllocatorMetrics;
+import io.netty.buffer.PooledByteBufAllocator;
 import io.netty.channel.EventLoopGroup;
 
 /**
@@ -36,6 +39,12 @@
  */
 public final class MoreMeterBinders {
 
+    static {
+        // Bind the default Netty allocator metrics to the default MeterRegistry.
+        new NettyAllocatorMetrics(PooledByteBufAllocator.DEFAULT)
+                .bindTo(Flags.meterRegistry());
+    }
+
     /**
      * Returns a new {@link MeterBinder} to observe Netty's {@link EventLoopGroup}s. The following stats are
      * currently exported per registered {@link MeterIdPrefix}.