diff --git a/src/main/java/com/chaineeproject/chainee/config/OpenApiConfig.java b/src/main/java/com/chaineeproject/chainee/config/OpenApiConfig.java
index 106b360..fc56671 100644
--- a/src/main/java/com/chaineeproject/chainee/config/OpenApiConfig.java
+++ b/src/main/java/com/chaineeproject/chainee/config/OpenApiConfig.java
@@ -2,10 +2,10 @@
 
 import io.swagger.v3.oas.annotations.OpenAPIDefinition;
 import io.swagger.v3.oas.annotations.info.Info;
+import io.swagger.v3.oas.annotations.security.SecurityRequirement;
 import io.swagger.v3.oas.annotations.security.SecurityScheme;
 import io.swagger.v3.oas.annotations.servers.Server;
 import io.swagger.v3.oas.annotations.enums.SecuritySchemeType;
-import io.swagger.v3.oas.annotations.enums.SecuritySchemeIn;
 import org.springframework.context.annotation.Configuration;
 
 @Configuration
@@ -14,13 +14,15 @@
         servers = {
                 @Server(url = "http://localhost:8080", description = "Local 8080"),
                 @Server(url = "https://chainee.store", description = "Prod")
-        }
+        },
+        // ✅ 전역 적용: 한 번 Authorize 하면 모든 API에 자동으로 Authorization 헤더 첨부
+        security = { @SecurityRequirement(name = "bearerAuth") }
 )
 @SecurityScheme(
         name = "bearerAuth",
-        type = SecuritySchemeType.HTTP,
-        scheme = "bearer",
-        bearerFormat = "JWT",
-        in = SecuritySchemeIn.HEADER
+        type = SecuritySchemeType.HTTP,   // ✅ HTTP bearer 스킴
+        scheme = "bearer",                // ✅ swagger-ui가 자동으로 'Bearer ' 접두어를 붙임
+        bearerFormat = "JWT",             // (표시용)
+        description = "여기에 **토큰 값만** 입력하세요. 'Bearer '는 쓰지 마세요."
 )
 public class OpenApiConfig {}