diff --git a/.github/workflows/claude-code-review.yml b/.github/workflows/claude-code-review.yml
index 205b0fe..7bb0b4f 100644
--- a/.github/workflows/claude-code-review.yml
+++ b/.github/workflows/claude-code-review.yml
@@ -37,6 +37,8 @@ jobs:
         with:
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
           prompt: |
+            **모든 리뷰와 코멘트는 한글로 작성하세요. (코드는 영어 유지)**
+
             REPO: ${{ github.repository }}
             PR NUMBER: ${{ github.event.pull_request.number }}
 
diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index 412cef9..d5a984f 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -41,7 +41,7 @@ jobs:
             actions: read
 
           # Optional: Give a custom prompt to Claude. If this is not specified, Claude will perform the instructions specified in the comment that tagged it.
-          # prompt: 'Update the pull request description to include a summary of changes.'
+          prompt: '모든 응답은 한글로 작성하세요. (코드와 커밋 메시지는 영어 유지)'
 
           # Optional: Add claude_args to customize behavior and configuration
           # See https://github.com/anthropics/claude-code-action/blob/main/docs/usage.md