diff --git a/.github/workflows/issue_set_merged.yml b/.github/workflows/issue_set_merged.yml
new file mode 100644
index 00000000..a9eafee3
--- /dev/null
+++ b/.github/workflows/issue_set_merged.yml
@@ -0,0 +1,19 @@
+name: Add 'merged' label to closed PR
+
+on:
+  pull_request:
+    types:
+      - closed
+
+jobs:
+  set_merged:
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+    steps:
+      - name: Add 'merged' label to closed PR
+        run: gh issue edit "$PR_NUMBER" --add-label "merged"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GH_REPO: ${{ github.repository }}
+          PR_NUMBER: ${{ github.event.pull_request.number }}
diff --git a/.github/workflows/project_automation.yml b/.github/workflows/project_set_pending.yml
similarity index 79%
rename from .github/workflows/project_automation.yml
rename to .github/workflows/project_set_pending.yml
index 06fc9499..217fbf60 100644
--- a/.github/workflows/project_automation.yml
+++ b/.github/workflows/project_set_pending.yml
@@ -1,4 +1,4 @@
-name: Add PR to project as pending status
+name: Add New PR to project as pending status
 
 on:
   pull_request:
@@ -6,7 +6,7 @@ on:
       - opened
 
 jobs:
-  track_pr:
+  set_pending:
     runs-on: ubuntu-latest
     steps:
       # Github App을 사용하여 토큰 생성
@@ -14,8 +14,8 @@ jobs:
         id: generate_token
         uses: actions/create-github-app-token@v1
         with:
-          app_id: ${{ secrets.BOT_APP_ID }}
-          private_key: ${{ secrets.BOT_APP_PEM }}
+          app-id: ${{ secrets.BOT_APP_ID }}
+          private-key: ${{ secrets.BOT_APP_PEM }}
 
       # Github CLI를 사용하여 프로젝트 ID 및 필드 정보를 조회 후 project_data.json 파일에 저장
       - name: Get project data
@@ -79,23 +79,20 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ steps.generate_token.outputs.token }}
         run: |
+          PENDING_OPTION_ID="${{ env.PENDING_OPTION_ID }}"
+          
           gh api graphql -f query='
-            mutation (
-              $project: ID!
-              $item: ID!
-              $status_field: ID!
-              $status_value: String!
-            ) {
-              set_status: updateProjectV2ItemFieldValue(input: {
-                projectId: $project
-                itemId: $item
-                fieldId: $status_field
-                value: {
-                  singleSelectOptionId: $status_value
-                  }
-              }) {
+            mutation ($project: ID!, $item: ID!, $status_field: ID!, $status_value: String!) {
+              updateProjectV2ItemFieldValue(
+                input: {
+                  projectId: $project, 
+                  itemId: $item, 
+                  fieldId: $status_field,
+                  value: {singleSelectOptionId: $status_value}
+                }
+              ) {
                 projectV2Item {
                   id
-                  }
                 }
-          }' -f project=$PROJECT_ID -f item=$ITEM_ID -f status_field=$STATUS_FIELD_ID -f status_value=$PENDING_OPTION_ID --silent
+              }
+            }' -f project=$PROJECT_ID -f item=$ITEM_ID -f status_field=$STATUS_FIELD_ID -f status_value=$PENDING_OPTION_ID --silent