diff --git a/Jenkinsfile b/Jenkinsfile
index 21247915..0984c71b 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -75,11 +75,11 @@ pipeline {
         stage('Checkout') {
             when { expression { params.ACTION == 'deploy' } }
             steps {
-                // .next/cache 백업 (증분 빌드용)
-                sh 'rm -rf /tmp/.next-cache-backup && [ -d .next/cache ] && cp -r .next/cache /tmp/.next-cache-backup || true'
+                // .next/cache 백업 (증분 빌드용 — mv로 순간 이동, 복사 오버헤드 없음)
+                sh 'rm -rf /tmp/.next-cache-backup && [ -d .next/cache ] && mv .next/cache /tmp/.next-cache-backup || true'
                 checkout scm
                 // .next/cache 복원
-                sh 'mkdir -p .next && [ -d /tmp/.next-cache-backup ] && cp -r /tmp/.next-cache-backup .next/cache && rm -rf /tmp/.next-cache-backup || true'
+                sh 'mkdir -p .next && [ -d /tmp/.next-cache-backup ] && mv /tmp/.next-cache-backup .next/cache || true'
                 script {
                     env.GIT_COMMIT_MSG = sh(script: "git log -1 --pretty=format:'%s'", returnStdout: true).trim()
                 }