diff --git a/.env.example b/.env.example
index cc82e30..c5c9993 100644
--- a/.env.example
+++ b/.env.example
@@ -1,3 +1,3 @@
 CARGORADAR_PORT=8080
 ADMIN_TOKEN=
-KAKAO_JAVASCRIPT_KEY=ea26ed8ef3cf2960e9c36f1c161dadb5
+KAKAO_JAVASCRIPT_KEY=5e0f889314e6d4f26fb18ee63d09c1ec
diff --git a/.env.nas.example b/.env.nas.example
index 3ecceb3..9267765 100644
--- a/.env.nas.example
+++ b/.env.nas.example
@@ -1,3 +1,3 @@
 CARGORADAR_PORT=18081
 ADMIN_TOKEN=change_this_admin_token
-KAKAO_JAVASCRIPT_KEY=ea26ed8ef3cf2960e9c36f1c161dadb5
+KAKAO_JAVASCRIPT_KEY=5e0f889314e6d4f26fb18ee63d09c1ec
diff --git a/apps/server/src/server.js b/apps/server/src/server.js
index 748f1a2..9a47251 100644
--- a/apps/server/src/server.js
+++ b/apps/server/src/server.js
@@ -9,7 +9,7 @@ const PORT = Number(process.env.PORT || 8080);
 const DATA_DIR = process.env.DATA_DIR || path.resolve(__dirname, "..", "data");
 const WEB_ROOT = process.env.WEB_ROOT || path.resolve(__dirname, "..", "..", "web", "public");
 const ADMIN_TOKEN = process.env.ADMIN_TOKEN || "";
-const DEFAULT_KAKAO_JAVASCRIPT_KEY = "ea26ed8ef3cf2960e9c36f1c161dadb5";
+const DEFAULT_KAKAO_JAVASCRIPT_KEY = "5e0f889314e6d4f26fb18ee63d09c1ec";
 
 const DRIVERS_FILE = path.join(DATA_DIR, "drivers.json");
 const LATEST_FILE = path.join(DATA_DIR, "latest-locations.json");
diff --git a/docs/SYNOLOGY.md b/docs/SYNOLOGY.md
index 7db281a..ab68d37 100644
--- a/docs/SYNOLOGY.md
+++ b/docs/SYNOLOGY.md
@@ -44,7 +44,7 @@ tested with `curl -k` while the certificate is being prepared.
 ```text
 CARGORADAR_PORT=8080
 ADMIN_TOKEN=
-KAKAO_JAVASCRIPT_KEY=ea26ed8ef3cf2960e9c36f1c161dadb5
+KAKAO_JAVASCRIPT_KEY=5e0f889314e6d4f26fb18ee63d09c1ec
 ```
 
 For NAS deployment, start from `.env.nas.example` instead. The recommended NAS
@@ -53,7 +53,7 @@ host port is `18081` because `18080` is already forwarded for `opendaw`.
 ```text
 CARGORADAR_PORT=18081
 ADMIN_TOKEN=change_this_admin_token
-KAKAO_JAVASCRIPT_KEY=ea26ed8ef3cf2960e9c36f1c161dadb5
+KAKAO_JAVASCRIPT_KEY=5e0f889314e6d4f26fb18ee63d09c1ec
 ```
 
 `ADMIN_TOKEN` can stay blank during local MVP testing. For NAS exposure, set it.