diff --git a/defaults/main.yml b/defaults/main.yml
index 30442c5..002f001 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -9,6 +9,7 @@ clickhouse_mysql_port: 9004
 clickhouse_interserver_http_port: 9009
 clickhouse_version: 20.5.2.7
 clickhouse_deb_rep: "deb http://repo.yandex.ru/clickhouse/deb/stable/ main/"
+clickhouse_deb_rep_key: E0C56BD4
 
 clickhouse_max_connections: 4096
 clickhouse_keep_alive_timeout: 3
diff --git a/tasks/install.yml b/tasks/install.yml
index 89622c6..7e5ae03 100644
--- a/tasks/install.yml
+++ b/tasks/install.yml
@@ -11,7 +11,7 @@
 - name: Add the APT Key for ClickHouse.
   apt_key:
     keyserver: "{{ clickhouse_key_server }}"
-    id: E0C56BD4
+    id: "{{ clickhouse_deb_rep_key }}"
     state: present
   become: true