diff --git a/proguard-1.0.1.conf b/proguard-1.0.1.conf
index 5f828a804..71c45dd32 100644
--- a/proguard-1.0.1.conf
+++ b/proguard-1.0.1.conf
@@ -71,6 +71,11 @@
 # com.nhn.pinpoint.bootstrap.Agent
 -keep class * extends com.nhn.pinpoint.bootstrap.Agent
 
+# com.nhn.pinpoint.monitor.codehale.cpu.metric.CpuLoadMetricSet
+-keep class * extends com.nhn.pinpoint.profiler.monitor.codahale.cpu.metric.CpuLoadMetricSet {
+    <methods>;
+}
+
 # Also keep - Enumerations. Keep the special static methods that are required in
 # enumeration classes.
 -keepclassmembers enum  * {
diff --git a/proguard-1.0.2-SNAPSHOT.conf b/proguard-1.0.2-SNAPSHOT.conf
index 1231b4a77..d023672dc 100644
--- a/proguard-1.0.2-SNAPSHOT.conf
+++ b/proguard-1.0.2-SNAPSHOT.conf
@@ -92,6 +92,11 @@
 # com.nhn.pinpoint.bootstrap.Agent
 -keep class * extends com.nhn.pinpoint.bootstrap.Agent
 
+# com.nhn.pinpoint.monitor.codehale.cpu.metric.CpuLoadMetricSet
+-keep class * extends com.nhn.pinpoint.profiler.monitor.codahale.cpu.metric.CpuLoadMetricSet {
+    <methods>;
+}
+
 # Also keep - Enumerations. Keep the special static methods that are required in
 # enumeration classes.
 -keepclassmembers enum  * {