diff --git a/src/main/java/konkuk/thip/user/adapter/out/jpa/UserJpaEntity.java b/src/main/java/konkuk/thip/user/adapter/out/jpa/UserJpaEntity.java
index c144c1742..3421da607 100644
--- a/src/main/java/konkuk/thip/user/adapter/out/jpa/UserJpaEntity.java
+++ b/src/main/java/konkuk/thip/user/adapter/out/jpa/UserJpaEntity.java
@@ -36,7 +36,7 @@ public class UserJpaEntity extends BaseJpaEntity {
     @Column(name = "nickname_updated_at", nullable = true) // 회원가입 시에는 null
     private LocalDate nicknameUpdatedAt; // 날짜 형식으로 저장 (예: "2023-10-01")
 
-    @Column(name = "oauth2_id", length = 50, nullable = false)
+    @Column(name = "oauth2_id", length = 100, nullable = false)
     private String oauth2Id;
 
     @Column(name = "apple_refresh_token", length = 1000)
diff --git a/src/main/resources/db/migration/V260726__Modify_oauth2_id_length.sql b/src/main/resources/db/migration/V260726__Modify_oauth2_id_length.sql
new file mode 100644
index 000000000..a7184b2fd
--- /dev/null
+++ b/src/main/resources/db/migration/V260726__Modify_oauth2_id_length.sql
@@ -0,0 +1,2 @@
+ALTER TABLE users
+    MODIFY COLUMN oauth2_id VARCHAR(100) NOT NULL;