diff --git a/.github/workflows/dev-ci.yml b/.github/workflows/dev-ci.yml
index 66e94e52..22dd4a9f 100644
--- a/.github/workflows/dev-ci.yml
+++ b/.github/workflows/dev-ci.yml
@@ -21,7 +21,8 @@ jobs:
         with:
           java-version: '17'
           distribution: 'temurin' # https://github.com/actions/setup-java
-      - run: echo "${{ secrets.S3_PROPERTIES }}" >> ./src/test/resources/application.yml
+      - run: touch ./src/test/resources/application.yml
+      - run: echo "${{ secrets.S3_PROPERTIES }}" > ./src/test/resources/application.yml
       
       # gradle caching - 빌드 시간 향상
       - name: Gradle Caching
diff --git a/src/main/java/clap/server/adapter/inbound/web/admin/DeleteCategoryController.java b/src/main/java/clap/server/adapter/inbound/web/admin/DeleteCategoryController.java
new file mode 100644
index 00000000..82126fff
--- /dev/null
+++ b/src/main/java/clap/server/adapter/inbound/web/admin/DeleteCategoryController.java
@@ -0,0 +1,28 @@
+package clap.server.adapter.inbound.web.admin;
+
+import clap.server.adapter.inbound.security.SecurityUserDetails;
+import clap.server.application.port.inbound.admin.DeleteCategoryUsecase;
+import clap.server.common.annotation.architecture.WebAdapter;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import lombok.RequiredArgsConstructor;
+import org.springframework.security.access.annotation.Secured;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@Tag(name = "05. Admin")
+@WebAdapter
+@RequiredArgsConstructor
+@RequestMapping("/api/management")
+public class DeleteCategoryController {
+    private final DeleteCategoryUsecase deleteCategoryUsecase;
+
+    @Operation(summary = "카테고리 삭제")
+    @DeleteMapping("/categories/{categoryId}")
+    @Secured("ROLE_ADMIN")
+    public void deleteCategory(@AuthenticationPrincipal SecurityUserDetails userInfo, @PathVariable Long categoryId) {
+        deleteCategoryUsecase.deleteCategory(userInfo.getUserId(), categoryId);
+    }
+}
diff --git a/src/main/java/clap/server/adapter/inbound/web/admin/UpdateCategoryController.java b/src/main/java/clap/server/adapter/inbound/web/admin/UpdateCategoryController.java
index 0a690b6f..9ccc7731 100644
--- a/src/main/java/clap/server/adapter/inbound/web/admin/UpdateCategoryController.java
+++ b/src/main/java/clap/server/adapter/inbound/web/admin/UpdateCategoryController.java
@@ -10,10 +10,11 @@
 import org.springframework.security.access.annotation.Secured;
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.web.bind.annotation.PatchMapping;
+import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 
-@Tag(name = "카테고리 수정")
+@Tag(name = "05. Admin")
 @WebAdapter
 @RequiredArgsConstructor
 @RequestMapping("/api/management")
@@ -21,9 +22,9 @@ public class UpdateCategoryController {
     private final UpdateCategoryUsecase updateCategoryUsecase;
 
     @Operation(summary = "카테고리 수정")
-    @PatchMapping("/categories/categoryId")
+    @PatchMapping("/categories/{categoryId}")
     @Secured("ROLE_ADMIN")
-    public void updateCategory(@AuthenticationPrincipal SecurityUserDetails userInfo, Long categoryId,
+    public void updateCategory(@AuthenticationPrincipal SecurityUserDetails userInfo, @PathVariable Long categoryId,
                                @RequestBody UpdateCategoryRequest updateCategoryRequest) {
         updateCategoryUsecase.updateCategory(userInfo.getUserId(), categoryId, updateCategoryRequest.name(), updateCategoryRequest.code());
     }
diff --git a/src/main/java/clap/server/application/port/inbound/admin/DeleteCategoryUsecase.java b/src/main/java/clap/server/application/port/inbound/admin/DeleteCategoryUsecase.java
new file mode 100644
index 00000000..da73fb80
--- /dev/null
+++ b/src/main/java/clap/server/application/port/inbound/admin/DeleteCategoryUsecase.java
@@ -0,0 +1,5 @@
+package clap.server.application.port.inbound.admin;
+
+public interface DeleteCategoryUsecase {
+    void deleteCategory(Long adminId, Long categoryId);
+}
diff --git a/src/main/java/clap/server/application/service/admin/DeleteCategoryService.java b/src/main/java/clap/server/application/service/admin/DeleteCategoryService.java
new file mode 100644
index 00000000..bbff33d4
--- /dev/null
+++ b/src/main/java/clap/server/application/service/admin/DeleteCategoryService.java
@@ -0,0 +1,29 @@
+package clap.server.application.service.admin;
+
+import clap.server.application.port.inbound.admin.DeleteCategoryUsecase;
+import clap.server.application.port.outbound.member.LoadMemberPort;
+import clap.server.application.port.outbound.task.LoadCategoryPort;
+import clap.server.common.annotation.architecture.ApplicationService;
+import clap.server.domain.model.member.Member;
+import clap.server.exception.ApplicationException;
+import lombok.RequiredArgsConstructor;
+import org.springframework.transaction.annotation.Transactional;
+
+import static clap.server.exception.code.MemberErrorCode.ACTIVE_MEMBER_NOT_FOUND;
+import static clap.server.exception.code.TaskErrorCode.CATEGORY_NOT_FOUND;
+
+@ApplicationService
+@RequiredArgsConstructor
+public class DeleteCategoryService implements DeleteCategoryUsecase {
+    private final LoadCategoryPort loadCategoryPort;
+    private final LoadMemberPort loadMemberPort;
+
+    @Override
+    @Transactional
+    public void deleteCategory(Long adminId, Long categoryId) {
+        Member admin = loadMemberPort.findActiveMemberById(adminId).orElseThrow(() -> new ApplicationException(ACTIVE_MEMBER_NOT_FOUND));
+        loadCategoryPort.findById(categoryId)
+                .orElseThrow(() -> new ApplicationException(CATEGORY_NOT_FOUND))
+                .deleteCategory(admin);
+    }
+}
diff --git a/src/main/java/clap/server/domain/model/task/Category.java b/src/main/java/clap/server/domain/model/task/Category.java
index fd6018c5..f2c046ba 100644
--- a/src/main/java/clap/server/domain/model/task/Category.java
+++ b/src/main/java/clap/server/domain/model/task/Category.java
@@ -45,5 +45,10 @@ public void updateCategory(Member admin, String code, String name){
         this.code = code;
         this.name = name;
     }
+
+    public void deleteCategory(Member admin) {
+        this.admin = admin;
+        this.isDeleted = true;
+    }
 }