diff --git a/.env.example b/.env.example
index 8e80da3..7ea9b1e 100644
--- a/.env.example
+++ b/.env.example
@@ -25,4 +25,5 @@ HASH_KEY=
 API_HOST=
 CLIENT_HOST=
 SLACK_TOKEN=
-REDIS_HOST=
\ No newline at end of file
+REDIS_HOST=
+REDIS_PASSWORD=
\ No newline at end of file
diff --git a/src/cache.ts b/src/cache.ts
index 9ff18c7..34cee51 100644
--- a/src/cache.ts
+++ b/src/cache.ts
@@ -17,6 +17,7 @@ class Cache {
     this.client = new Redis({
       maxRetriesPerRequest: 3,
       host: process.env.REDIS_HOST || 'localhost',
+      password: process.env.REDIS_PASSWORD,
     });
   }