diff --git a/src/main/resources/application-pjt.yaml b/src/main/resources/application-pjt.yaml
index 31aa0a8..8a07584 100644
--- a/src/main/resources/application-pjt.yaml
+++ b/src/main/resources/application-pjt.yaml
@@ -4,6 +4,12 @@ spring:
   main:
     banner-mode: log
   datasource:
+    Hikari:
+      maximum-pool-size: 20  # 기본 10 → 20
+      minimum-idle: 5
+      connection-timeout: 30000
+      idle-timeout: 600000
+      max-lifetime: 1800000
     url: jdbc:log4jdbc:mariadb://${DB_HOST}:${DB_PORT}/${DB_NAME}?useUnicode=true&characterEncoding=utf8&serverTimezone=Asia/Seoul&connectionCollation=utf8mb4_uca1400_ai_ci
     username: ${DB_USERNAME}
     password: ${DB_PASSWORD}