diff --git a/api-gateway/build.gradle.kts b/api-gateway/build.gradle.kts
index e271149..e23a53f 100644
--- a/api-gateway/build.gradle.kts
+++ b/api-gateway/build.gradle.kts
@@ -73,8 +73,10 @@ jib {
 				"-XX:+UnlockExperimentalVMOptions",
 				"-XX:+UseContainerSupport",
 				"-XX:+UseG1GC",
-				"-XX:InitialHeapSize=1g",
-				"-XX:MaxHeapSize=1g",
+				"-Xms1500M",
+				"-Xmx3G",
+				"-XX:MaxRAMPercentage=80",
+				"-XX:MaxGCPauseMillis=200",
 				"-XX:+DisableExplicitGC", // System.gc() 방어
 				"-server",
 			)
diff --git a/photo-service/build.gradle.kts b/photo-service/build.gradle.kts
index cda793e..0b5474c 100644
--- a/photo-service/build.gradle.kts
+++ b/photo-service/build.gradle.kts
@@ -70,8 +70,10 @@ jib {
 				"-XX:+UnlockExperimentalVMOptions",
 				"-XX:+UseContainerSupport",
 				"-XX:+UseG1GC",
-				"-XX:InitialHeapSize=1g",
-				"-XX:MaxHeapSize=1g",
+				"-Xms1500M",
+				"-Xmx3G",
+				"-XX:MaxRAMPercentage=80",
+				"-XX:MaxGCPauseMillis=200",
 				"-XX:+DisableExplicitGC", // System.gc() 방어
 				"-server",
 			)
diff --git a/user-service/build.gradle.kts b/user-service/build.gradle.kts
index caa2d23..e88d69c 100644
--- a/user-service/build.gradle.kts
+++ b/user-service/build.gradle.kts
@@ -88,8 +88,10 @@ jib {
 				"-XX:+UnlockExperimentalVMOptions",
 				"-XX:+UseContainerSupport",
 				"-XX:+UseG1GC",
-				"-XX:InitialHeapSize=1g",
-				"-XX:MaxHeapSize=1g",
+				"-Xms1500M",
+				"-Xmx3G",
+				"-XX:MaxRAMPercentage=80",
+				"-XX:MaxGCPauseMillis=200",
 				"-XX:+DisableExplicitGC", // System.gc() 방어
 				"-server",
 			)