diff --git a/app/infrastructure/persistence/models/sessions.py b/app/infrastructure/persistence/models/sessions.py
index ecc3acc..5856d24 100644
--- a/app/infrastructure/persistence/models/sessions.py
+++ b/app/infrastructure/persistence/models/sessions.py
@@ -64,7 +64,7 @@ class PromptMessage(Base):
     )
     turn: Mapped[int] = mapped_column(Integer, nullable=False)
     role: Mapped[PromptRoleEnum] = mapped_column(
-        Enum(PromptRoleEnum, name="prompt_role_enum", schema="ai_vibe_coding_test"),
+        Enum(PromptRoleEnum, name="prompt_role_enum", schema="public"),
         nullable=False,
     )
     content: Mapped[str] = mapped_column(Text, nullable=False)
@@ -106,7 +106,7 @@ class PromptEvaluation(Base):
         Enum(
             EvaluationTypeEnum,
             name="evaluation_type_enum",
-            schema="ai_vibe_coding_test",
+            schema="public",
             create_type=False,  # 기존 ENUM 타입 사용 (DB에 이미 존재)
             native_enum=True,  # PostgreSQL 네이티브 ENUM 사용
         ),
diff --git a/app/infrastructure/persistence/models/submissions.py b/app/infrastructure/persistence/models/submissions.py
index 784b24c..3fa5392 100644
--- a/app/infrastructure/persistence/models/submissions.py
+++ b/app/infrastructure/persistence/models/submissions.py
@@ -39,7 +39,7 @@ class Submission(Base):
         Enum(
             SubmissionStatusEnum,
             name="submission_status_enum",
-            schema="ai_vibe_coding_test",
+            schema="public",
         ),
         nullable=False,
         default=SubmissionStatusEnum.QUEUED,
@@ -82,7 +82,7 @@ class SubmissionRun(Base):
         nullable=False,
     )
     verdict: Mapped[VerdictEnum] = mapped_column(
-        Enum(VerdictEnum, name="verdict_enum", schema="ai_vibe_coding_test"),
+        Enum(VerdictEnum, name="verdict_enum", schema="public"),
         nullable=False,
         default=VerdictEnum.AC,
     )
diff --git a/app/infrastructure/persistence/session.py b/app/infrastructure/persistence/session.py
index c5ce1be..042979b 100644
--- a/app/infrastructure/persistence/session.py
+++ b/app/infrastructure/persistence/session.py
@@ -19,7 +19,7 @@
     pool_size=10,
     max_overflow=20,
     pool_pre_ping=True,
-    connect_args={"server_settings": {"search_path": "ai_vibe_coding_test"}},
+    connect_args={"server_settings": {"search_path": "public"}},
 )
 
 
@@ -28,7 +28,7 @@ async def _set_search_path(session: AsyncSession):
     """세션마다 search_path 설정 (ai_vibe_coding_test 스키마만 사용)"""
     from sqlalchemy import text
 
-    await session.execute(text("SET search_path TO ai_vibe_coding_test"))
+    await session.execute(text("SET search_path TO public"))
 
 
 # 세션 팩토리
@@ -83,7 +83,7 @@ async def init_db():
         # 연결 테스트만 수행
         await conn.execute(text("SELECT 1"))
         # search_path 설정 (ai_vibe_coding_test 스키마만 사용)
-        await conn.execute(text("SET search_path TO ai_vibe_coding_test"))
+        await conn.execute(text("SET search_path TO public"))
 
 
 async def close_db():