diff --git a/backend/src/main/java/kr/codesquad/issuetracker/application/LabelService.java b/backend/src/main/java/kr/codesquad/issuetracker/application/LabelService.java
index 617c67010..b9668d3ec 100644
--- a/backend/src/main/java/kr/codesquad/issuetracker/application/LabelService.java
+++ b/backend/src/main/java/kr/codesquad/issuetracker/application/LabelService.java
@@ -27,8 +27,14 @@ public List<LabelResponse> findAll() {
 	}
 
 	@Transactional
-	public void register(String name, String description, String frontColor, String backgroundColor) {
-		Label label = new Label(name, description, frontColor, backgroundColor);
+	public void register(String name, String description, String fontColor, String backgroundColor) {
+		Label label = new Label(name, description, fontColor, backgroundColor);
 		labelRepository.save(label);
 	}
+
+	@Transactional
+	public void modify(Integer labelId, String name, String description, String fontColor, String backgroundColor) {
+		Label label = new Label(labelId, name, description, fontColor, backgroundColor);
+		labelRepository.update(label);
+	}
 }
diff --git a/backend/src/main/java/kr/codesquad/issuetracker/domain/Label.java b/backend/src/main/java/kr/codesquad/issuetracker/domain/Label.java
index 4778f483d..b672c2b69 100644
--- a/backend/src/main/java/kr/codesquad/issuetracker/domain/Label.java
+++ b/backend/src/main/java/kr/codesquad/issuetracker/domain/Label.java
@@ -25,4 +25,12 @@ public Label(String name, String description, String fontColor, String backgroun
 		this.fontColor = fontColor;
 		this.backgroundColor = backgroundColor;
 	}
+
+	public Label(Integer id, String name, String description, String fontColor, String backgroundColor) {
+		this.id = id;
+		this.name = name;
+		this.description = description;
+		this.fontColor = fontColor;
+		this.backgroundColor = backgroundColor;
+	}
 }
diff --git a/backend/src/main/java/kr/codesquad/issuetracker/infrastructure/persistence/LabelRepository.java b/backend/src/main/java/kr/codesquad/issuetracker/infrastructure/persistence/LabelRepository.java
index 1a3a4180c..1d631778d 100644
--- a/backend/src/main/java/kr/codesquad/issuetracker/infrastructure/persistence/LabelRepository.java
+++ b/backend/src/main/java/kr/codesquad/issuetracker/infrastructure/persistence/LabelRepository.java
@@ -5,6 +5,7 @@
 import javax.sql.DataSource;
 
 import org.springframework.jdbc.core.namedparam.BeanPropertySqlParameterSource;
+import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
 import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
 import org.springframework.jdbc.core.simple.SimpleJdbcInsert;
 import org.springframework.stereotype.Repository;
@@ -42,5 +43,18 @@ public List<Label> findAll() {
 	public void save(Label label) {
 		jdbcInsert.execute(new BeanPropertySqlParameterSource(label));
 	}
+
+	public void update(Label label) {
+		String sql = "UPDATE label SET name = :name, description = :description, font_color = :fontColor, "
+			+ "background_color = :backgroundColor WHERE id = :id";
+
+		MapSqlParameterSource param = new MapSqlParameterSource()
+			.addValue("id", label.getId())
+			.addValue("name", label.getName())
+			.addValue("description", label.getDescription())
+			.addValue("fontColor", label.getFontColor())
+			.addValue("backgroundColor", label.getBackgroundColor());
+		jdbcTemplate.update(sql, param);
+	}
 }
 
diff --git a/backend/src/main/java/kr/codesquad/issuetracker/presentation/LabelController.java b/backend/src/main/java/kr/codesquad/issuetracker/presentation/LabelController.java
index a1f2dda35..4daa8aefa 100644
--- a/backend/src/main/java/kr/codesquad/issuetracker/presentation/LabelController.java
+++ b/backend/src/main/java/kr/codesquad/issuetracker/presentation/LabelController.java
@@ -7,7 +7,9 @@
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
@@ -35,4 +37,11 @@ public ResponseEntity<Void> register(@Valid @RequestBody LabelRequest request) {
 			request.getBackgroundColor());
 		return ResponseEntity.status(HttpStatus.CREATED).build();
 	}
+
+	@PutMapping("/{labelId}")
+	public ResponseEntity<Void> modify(@PathVariable Integer labelId, @Valid @RequestBody LabelRequest request) {
+		labelService.modify(labelId, request.getName(), request.getDescription(), request.getFontColor(),
+			request.getBackgroundColor());
+		return ResponseEntity.status(HttpStatus.OK).build();
+	}
 }
diff --git a/backend/src/test/java/kr/codesquad/issuetracker/application/LabelServiceTest.java b/backend/src/test/java/kr/codesquad/issuetracker/application/LabelServiceTest.java
index dc419a860..adbb2f7ee 100644
--- a/backend/src/test/java/kr/codesquad/issuetracker/application/LabelServiceTest.java
+++ b/backend/src/test/java/kr/codesquad/issuetracker/application/LabelServiceTest.java
@@ -1,10 +1,11 @@
 package kr.codesquad.issuetracker.application;
 
 import static org.assertj.core.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.*;
 
 import java.util.Comparator;
+import java.util.List;
 
-import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -26,15 +27,24 @@ class LabelServiceTest {
 	@MockBean
 	private S3Service s3Service;
 
-	@BeforeEach
-	void setUp() {
-		databaseInitializer.initTables();
-	}
-
 	@DisplayName("label 목록 조회시 이름순으로 정렬이 된다.")
 	@Test
 	void findLabelsSortedNameAscending() {
 		assertThat(labelService.findAll())
 			.isSortedAccordingTo(Comparator.comparing(LabelResponse::getLabelName));
 	}
+
+	@DisplayName("label 수정에 성공한다.")
+	@Test
+	void modify() {
+		labelService.register("before", null, "white", "1234");
+		labelService.modify(1, "after", null, "black", "1111");
+		List<LabelResponse> result = labelService.findAll();
+
+		assertAll(
+			() -> assertThat(result.get(0).getLabelName()).isEqualTo("after"),
+			() -> assertThat(result.get(0).getFontColor()).isEqualTo("black"),
+			() -> assertThat(result.get(0).getBackgroundColor()).isEqualTo("1111"));
+
+	}
 }
diff --git a/backend/src/test/java/kr/codesquad/issuetracker/application/unit/LabelServiceTest.java b/backend/src/test/java/kr/codesquad/issuetracker/application/unit/LabelServiceTest.java
index f8fca25cb..28c0d7ebf 100644
--- a/backend/src/test/java/kr/codesquad/issuetracker/application/unit/LabelServiceTest.java
+++ b/backend/src/test/java/kr/codesquad/issuetracker/application/unit/LabelServiceTest.java
@@ -33,4 +33,15 @@ void register() {
 		assertThatCode(() -> labelService.register("feat", null, "#1234", "black"))
 			.doesNotThrowAnyException();
 	}
+
+	@DisplayName("레이블 수정에 성공한다.")
+	@Test
+	void modify() {
+		// given
+		willDoNothing().given(labelRepository).update(any(Label.class));
+
+		// when & then
+		assertThatCode(() -> labelService.modify(1, "after", null, "1111", "black"))
+			.doesNotThrowAnyException();
+	}
 }