diff --git a/.github/workflows/telegram-notify.yml b/.github/workflows/telegram-notify.yml
index 0cb7af52..2af74803 100644
--- a/.github/workflows/telegram-notify.yml
+++ b/.github/workflows/telegram-notify.yml
@@ -37,9 +37,11 @@ jobs:
           SHA="${{ github.sha }}"
           REF="${{ github.ref }}"
 
+          PREFIX="[decoded-monorepo]"
+
           case "$EVENT_NAME" in
             workflow_dispatch)
-              MSG="🔧 decoded — manual trigger by ${ACTOR}"
+              MSG="${PREFIX} 🔧 manual trigger by ${ACTOR}"
               ;;
 
             push)
@@ -47,7 +49,7 @@ jobs:
               BRANCH="${REF#refs/heads/}"
               COMMIT_MSG=$(jq -r '.head_commit.message // empty' "$GITHUB_EVENT_PATH" | head -1 | head -c 200)
               COMMIT_URL="${SERVER}/${REPO}/commit/${SHA}"
-              MSG="📦 decoded push → ${BRANCH}
+              MSG="${PREFIX} 📦 push → ${BRANCH}
           ┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄
           ${SHORT} ${COMMIT_MSG}
           by ${ACTOR}
@@ -65,7 +67,7 @@ jobs:
               ADDITIONS=$(jq -r '.pull_request.additions // 0' "$GITHUB_EVENT_PATH")
               DELETIONS=$(jq -r '.pull_request.deletions // 0' "$GITHUB_EVENT_PATH")
               CHANGED=$(jq -r '.pull_request.changed_files // 0' "$GITHUB_EVENT_PATH")
-              MSG="🔀 decoded PR #${NUM}
+              MSG="${PREFIX} 🔀 PR #${NUM}
           ┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄
           ${TITLE}
           ${HEAD} → ${BASE}
@@ -81,7 +83,7 @@ jobs:
               AUTHOR=$(jq -r '.issue.user.login' "$GITHUB_EVENT_PATH")
               URL=$(jq -r '.issue.html_url' "$GITHUB_EVENT_PATH")
               LABELS=$(jq -r '[.issue.labels[].name] | join(", ")' "$GITHUB_EVENT_PATH")
-              MSG="📌 decoded issue #${NUM}
+              MSG="${PREFIX} 📌 issue #${NUM}
           ┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄
           ${TITLE}
           ${LABELS:-no labels}
@@ -109,7 +111,7 @@ jobs:
                 LABEL="배포 실패"
               fi
 
-              MSG="${ICON} decoded deploy — ${LABEL}
+              MSG="${PREFIX} ${ICON} deploy — ${LABEL}
           ┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄
           env: ${ENV_NAME}
           ref: ${DEPLOY_REF}