diff --git a/backend/build.gradle.kts b/backend/build.gradle.kts
index ccfe6bd7b..4378375fc 100644
--- a/backend/build.gradle.kts
+++ b/backend/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     id("java")
-    id("org.springframework.boot") version "3.1.4"
+    id("org.springframework.boot") version "3.2.5"
     id("io.spring.dependency-management") version "1.1.0"
 }
 
diff --git a/backend/src/main/java/com/festago/bookmark/domain/Bookmark.java b/backend/src/main/java/com/festago/bookmark/domain/Bookmark.java
index 765808dd4..ad6d22502 100644
--- a/backend/src/main/java/com/festago/bookmark/domain/Bookmark.java
+++ b/backend/src/main/java/com/festago/bookmark/domain/Bookmark.java
@@ -29,7 +29,7 @@ public class Bookmark extends BaseTimeEntity {
     private Long id;
 
     @Enumerated(EnumType.STRING)
-    @Column(name = "bookmark_type")
+    @Column(name = "bookmark_type", columnDefinition = "varchar")
     private BookmarkType bookmarkType;
 
     @Column(name = "resource_id")
diff --git a/backend/src/main/java/com/festago/member/domain/Member.java b/backend/src/main/java/com/festago/member/domain/Member.java
index 6e3907892..a8c96cd05 100644
--- a/backend/src/main/java/com/festago/member/domain/Member.java
+++ b/backend/src/main/java/com/festago/member/domain/Member.java
@@ -52,7 +52,7 @@ public class Member extends BaseTimeEntity {
 
     @NotNull
     @Enumerated(value = EnumType.STRING)
-    @Column(name = "social_type")
+    @Column(name = "social_type", columnDefinition = "varchar")
     private SocialType socialType;
 
     @NotNull
diff --git a/backend/src/main/java/com/festago/school/domain/School.java b/backend/src/main/java/com/festago/school/domain/School.java
index be28f3f4d..91a4f8040 100644
--- a/backend/src/main/java/com/festago/school/domain/School.java
+++ b/backend/src/main/java/com/festago/school/domain/School.java
@@ -42,6 +42,7 @@ public class School extends BaseTimeEntity {
     private String backgroundUrl;
 
     @Enumerated(EnumType.STRING)
+    @Column(columnDefinition = "varchar")
     private SchoolRegion region;
 
     public School(String domain, String name, String logoUrl, String backgroundUrl, SchoolRegion region) {
diff --git a/backend/src/main/java/com/festago/socialmedia/domain/SocialMedia.java b/backend/src/main/java/com/festago/socialmedia/domain/SocialMedia.java
index 5d3b39aca..2ae3bbdf7 100644
--- a/backend/src/main/java/com/festago/socialmedia/domain/SocialMedia.java
+++ b/backend/src/main/java/com/festago/socialmedia/domain/SocialMedia.java
@@ -35,11 +35,11 @@ public class SocialMedia extends BaseTimeEntity {
     private Long ownerId;
 
     @Enumerated(EnumType.STRING)
-    @Column(name = "owner_type")
+    @Column(name = "owner_type", columnDefinition = "varchar")
     private OwnerType ownerType;
 
     @Enumerated(EnumType.STRING)
-    @Column(name = "media_type")
+    @Column(name = "media_type", columnDefinition = "varchar")
     private SocialMediaType mediaType;
 
     private String name;
diff --git a/backend/src/main/java/com/festago/stage/domain/Stage.java b/backend/src/main/java/com/festago/stage/domain/Stage.java
index a60facbaa..9578e1270 100644
--- a/backend/src/main/java/com/festago/stage/domain/Stage.java
+++ b/backend/src/main/java/com/festago/stage/domain/Stage.java
@@ -41,6 +41,9 @@ public class Stage extends BaseTimeEntity {
     @OneToMany(mappedBy = "stage", fetch = FetchType.LAZY)
     private List<Ticket> tickets = new ArrayList<>();
 
+    @OneToMany(fetch = FetchType.LAZY, mappedBy = "stageId")
+    private List<StageArtist> artists = new ArrayList<>();
+
     public Stage(LocalDateTime startTime, LocalDateTime ticketOpenTime, Festival festival) {
         this(null, startTime, ticketOpenTime, festival);
     }
diff --git a/backend/src/main/java/com/festago/ticket/domain/Ticket.java b/backend/src/main/java/com/festago/ticket/domain/Ticket.java
index ae25cf4c4..ec2628939 100644
--- a/backend/src/main/java/com/festago/ticket/domain/Ticket.java
+++ b/backend/src/main/java/com/festago/ticket/domain/Ticket.java
@@ -7,6 +7,7 @@
 import com.festago.school.domain.School;
 import com.festago.stage.domain.Stage;
 import jakarta.persistence.CascadeType;
+import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
 import jakarta.persistence.EnumType;
 import jakarta.persistence.Enumerated;
@@ -46,6 +47,7 @@ public class Ticket extends BaseTimeEntity {
 
     @NotNull
     @Enumerated(EnumType.STRING)
+    @Column(columnDefinition = "varchar")
     private TicketType ticketType;
 
     @OneToOne(mappedBy = "ticket", optional = false, fetch = FetchType.LAZY, cascade = CascadeType.PERSIST)
diff --git a/backend/src/main/java/com/festago/ticketing/domain/MemberTicket.java b/backend/src/main/java/com/festago/ticketing/domain/MemberTicket.java
index d5febc1eb..303387a78 100644
--- a/backend/src/main/java/com/festago/ticketing/domain/MemberTicket.java
+++ b/backend/src/main/java/com/festago/ticketing/domain/MemberTicket.java
@@ -10,6 +10,7 @@
 import com.festago.ticket.domain.Ticket;
 import com.festago.ticket.domain.TicketReserveInfo;
 import com.festago.ticket.domain.TicketType;
+import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
 import jakarta.persistence.EnumType;
 import jakarta.persistence.Enumerated;
@@ -38,6 +39,7 @@ public class MemberTicket extends BaseTimeEntity {
 
     @NotNull
     @Enumerated(EnumType.STRING)
+    @Column(columnDefinition = "varchar")
     private EntryState entryState = EntryState.BEFORE_ENTRY;
 
     @NotNull
@@ -56,6 +58,7 @@ public class MemberTicket extends BaseTimeEntity {
 
     @NotNull
     @Enumerated(EnumType.STRING)
+    @Column(columnDefinition = "varchar")
     private TicketType ticketType;
 
     public MemberTicket(Member owner, Stage stage, int number, LocalDateTime entryTime, TicketType ticketType) {
diff --git a/backend/src/main/java/com/festago/upload/domain/UploadFile.java b/backend/src/main/java/com/festago/upload/domain/UploadFile.java
index eae75de31..d63d61e0b 100644
--- a/backend/src/main/java/com/festago/upload/domain/UploadFile.java
+++ b/backend/src/main/java/com/festago/upload/domain/UploadFile.java
@@ -2,6 +2,7 @@
 
 import com.festago.common.util.Validator;
 import jakarta.annotation.Nonnull;
+import jakarta.persistence.Column;
 import jakarta.persistence.Convert;
 import jakarta.persistence.Entity;
 import jakarta.persistence.EntityListeners;
@@ -31,6 +32,7 @@ public class UploadFile implements Persistable<UUID> {
     private UUID id;
 
     @Enumerated(EnumType.STRING)
+    @Column(columnDefinition = "varchar")
     private UploadStatus status;
 
     private long size;
@@ -39,11 +41,13 @@ public class UploadFile implements Persistable<UUID> {
     private URI location;
 
     @Enumerated(EnumType.STRING)
+    @Column(columnDefinition = "varchar")
     private FileExtension extension;
 
     private Long ownerId;
 
     @Enumerated(EnumType.STRING)
+    @Column(columnDefinition = "varchar")
     private FileOwnerType ownerType;
 
     private LocalDateTime createdAt;