diff --git a/src/main/resources/egovframework/spring/com/context-common.xml b/src/main/resources/egovframework/spring/com/context-common.xml
index daab7241..fcbf68a7 100644
--- a/src/main/resources/egovframework/spring/com/context-common.xml
+++ b/src/main/resources/egovframework/spring/com/context-common.xml
@@ -78,12 +78,12 @@
     <!-- MULTIPART RESOLVERS -->
     <!-- regular spring resolver -->    
     <bean id="spring.RegularCommonsMultipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
-        <property name="maxUploadSize" value="100000000" />
+        <property name="maxUploadSize" value="550000000" />
         <property name="maxInMemorySize" value="100000000" />
     </bean>
     <!-- custom multi file resolver -->    
     <bean id="local.MultiCommonsMultipartResolver" class="kcc.com.cmm.web.EgovMultipartResolver">
-        <property name="maxUploadSize" value="100000000" />
+        <property name="maxUploadSize" value="550000000" />
         <property name="maxInMemorySize" value="100000000" />
     </bean>
     <!-- choose one from above and alias it to the name Spring expects -->
diff --git a/src/main/webapp/WEB-INF/views/_common/_js/commonFileUtil.js b/src/main/webapp/WEB-INF/views/_common/_js/commonFileUtil.js
index c27589fa..b6359037 100644
--- a/src/main/webapp/WEB-INF/views/_common/_js/commonFileUtil.js
+++ b/src/main/webapp/WEB-INF/views/_common/_js/commonFileUtil.js
@@ -68,8 +68,8 @@ function jf_upload_set(fileName, reFileName, fileSize, fileType, copyContractYn,
 	totFileSize 			= sizeData;
 	sizeData					= sizeData.toFixed(2);
 
-	if(totFileSize > 100){
-		alert("첨부파일 크기가 100Mbyte를 넘었습니다.");
+	if(totFileSize > 500){
+		alert("첨부파일 크기가 500Mbyte를 넘었습니다.");
 		return;
 	}